Seiko Cal. 9S85, 9S66, 9S86, 9S65, 9S64 Operating Instructions Manual

www.grand-seiko.com

9S

JSYGS9S2-1403

MECHANICAL

1

English

Length adjustment service for metallic bands is available at the retailer from whom the watch
was purchased. If you cannot have your watch repaired by the retailer from whom the watch
was purchased because you received the watch as a gift, or you moved to a distant place,
please contact SEIKO CUSTOMER SERVICE CENTER. The service may also be available on a
chargeable basis at other retailers, however, some retailers may not undertake the service.

If your watch has a protective lm for preventing scratches, make sure to peel it off

before using the watch. If the watch is used with the lm on it, dirt, sweat, dust, or

moisture may be attached to the lm and may cause rust.

CONTENTS

■

CAUTIONS FOR ACCURACY ·········································································2

■

HANDLING CAUTIONS ··················································································2

■

INTRODUCTION -About mechanical watch- ··················································4

・

Characteristics of a mechanical watch ··························································5

・

For lifelong use of your mechanical watch ····················································7

■

CHECK THE CALIBER NUMBER ·································································10

■

NAMES OF THE PARTS················································································11

■

HOW TO USE ·······························································································12

・

For Cal. 9S85 ····························································································· 13

・

For Cal. 9S86, 9S66 ···················································································16

　※

List of time differences in major regions of the world ·······························22

・

For Cal. 9S65 ····························································································· 23

・

For Cal. 9S64 ····························································································· 26

■

GRAND SEIKO STANDARD ··········································································28

・

Grand Seiko (Special) Standard Inspection Certicate ································31

・

Cautions for accuracy of mechanical watch ················································32

■

TO PRESERVE THE QUALITY OF YOUR WATCH ········································33

・

After-sale service ························································································ 33

・

Guarantee ··································································································34

・

Daily care ···································································································35

・

Band ··········································································································36

・

Water resistance ·························································································37

・

Magnetic resistance (Magnetic inuence) ····················································38

・

Lumibrite ····································································································39

・

Troubleshooting ··························································································40

■

SPECIFICATIONS (Movement) ·····································································41

Thank you very much for choosing a SEIKO watch. For

proper and safe use of your SEIKO watch, please read
the instructions carefully in this booklet before using it.

Keep this manual handy for easy reference.

2

3

English

Immediately stop wearing the watch in the following cases.

○

If the watch body or band becomes edged by corrosion etc.

○

If the pins protrude from the band.

※

Immediately consult the retailer from whom the watch was purchased or

SEIKO CUSTOMER SERVICE CENTER.

Keep the watch and accessories out of the reach of
babies and children.

Care should be taken to prevent a baby or a child accidentally swallowing the
accessories. If a baby or child swallows the battery or accessories, immediately
consult a doctor, as it will be harmful to the health of the baby or child.

○

Normal usage accuracy of a mechanical watch varies depending on individual customer’s
use conditions such as winding state of the mainspring by movement amount of the
customer’s arm per day, temperature environment, and posture (direction of the watch).
Accordingly, the actual normal usage accuracy when the watch is used by a customer

may differ from the numerical value of each item specied in the Grand Seiko Standard.

○

The target range of normal usage accuracy when the watch is actually used by a
customer is set to –1 to +10 seconds (in the case of Cal. 9S86 and 9S85, -1 to +8
seconds) per day.
To correctly judge the normal usage accuracy, please use the watch for not only one day,
but also approximately one week to 10 days under normal use conditions to check loss
or gain of time. If the average value per day exceeds the target range, we will adjust the
watch. (Adjustment is provided Free of charge for two years after purchase, then
charged thereafter. For more details, please refer to the instruction manual.)

○

The enclosed Grand Seiko Standard Inspection Certificate certifies the values of a

movement single unit before assembly in a case which are measured under an articially

controlled environment in the production factory passed the Grand Seiko standard
inspection.

Should the certicate be lost or after repair or adjustment, it cannot be reissued.

Avoid wearing or storing the watch in the following places.

○

Places where volatile agents (cosmetics such as polish remover, bug repellent,
thinners etc.) are vaporizing

○

Places where the temperature drops below 5 ºC or rises above 35 ºC for a long time

○

Places of high humidity

○ Places affected by strong magnetism or static electricity

○

Dusty places

○

Places affected by strong vibrations

If you observe any allergic symptoms or skin irritation

Stop wearing the watch immediately and consult a specialist such as a dermatologist or an allergist.

Other cautions

○

Replacement of the metal band requires professional knowledge and skill. Please ask the retailer
from whom the watch was purchased for replacement of the metal band, as there is a risk of hand

or nger injury and fear of losing parts.

○

Do not disassemble or tamper with the watch.

○

K

eep the watch out of the reach of babies and children. Extra care should be taken to avoid risks

of any injury or allergic rash or itching that may be caused when they touch the watch.

○

If your watch is of the fob or pendant type, the strap or chain attached to the watch may damage
your clothes, or injure the hand, neck, or other parts of your body.

○

Please keep in mind that if a watch is taken off and placed down as it is, the case back, the band and
the clasp will rub against each other possibly causing scratches on the case back. We recommend
placing a soft cloth between the case back, the band and the clasp after taking off your watch.

WARNING

Do not use the watch in scuba diving or
saturation diving.

The various tightened inspections under simulated harsh environment, which
are usually required for watches designed for scuba diving or saturation
diving, have not been conducted on the water-resistant watch with the BAR
(barometric pressure) display. For diving, use special watches for diving.

CAUTIONS

To indicate the risks of light injuries or material damages unless
the following safety regulations are strictly observed.

■CAUTIONS FOR ACCURACY

■HANDLING CAUTIONS

To indicate the risks of serious consequences such as severe injuries
unless the following safety regulations are strictly observed.

WARNING

Do not leave moisture, sweat and dirt on the
watch for a long time.

Be aware of a risk that a water resistant watch may lessen its water
resistant performance because of deterioration of the adhesive on the
glass or gasket, or the development of rust on stainless steel.

Do not pour running water directly from the faucet.

The water pressure of tap water from a faucet is high enough to
degrade the water resistant performance of a water resistant
watch for everyday life.

CAUTIONS

Do not turn or pull out the crown when the
watch is wet.

Water may get inside of the watch.

※

If the inner surface of the glass is clouded with condensation or water droplets appear inside of the watch
for a long time, the water resistant performance of the watch is deteriorated. Immediately consult the retailer
from whom the watch was purchased or SEIKO CUSTMER SERVICE CENTER.

Do not wear the watch while taking a bath or a sauna.

Steam, soap or some components of a hot spring may accelerate
the deterioration of water resistant performance of the watch.

4

5

English

Thank you very much for purchasing the Grand Seiko mechanical watch

Take hold of your watch softly

Hear the watch ticking

Tick tock, tick tock, tick tock

Soft and faint, a dignied sound can be heard

The sound can be called

The crystal of the craftsmen's spirit and skill

Handpicked parts assembled one by one

Carefully, with craftsmanship,

Giving life to a mechanical watch

This is proven by the sound

Talking about accuracy,

Mechanical watches cannot be compared to

Quartz watches, that is for certain

However, the accuracy of a mechanical watch

Is pursued by human hands

Full of spirit and know-how of craftsmen

A mechanical watch - complicated, sensitive,

And having a human touch

We would like to let all of you know

The charm of a mechanical watch, which has no bounds

So we made this handbook, mainly detailing the accuracy

Wishing you will have a nice time

With your Grand Seiko for a long, long time

We will explain by example

Quartz watches that you have come to be
familiar with
These are just like airplanes, controlled by
computers
A battery, IC, and crystal make quartz
watches work accurately, electrically

Some loss or gain may occur while the
watch is worn
However, this will be too small to notice in
your daily life

If a quartz watch resembles an airplane,
A mechanical watch is like a bicycle

All watch parts work together mechanically
to make it tick
Thus, a mechanical watch is easily affected
by the outside environment

If it is hot, the watch tends to lose time
When power driving the watch becomes
short (When the amount the spring is
wound is short), accuracy becomes
unstable
If the resting position of the watch is
changed, accuracy is also affected

The rate of loss/gain could be significant
that you will notice in your daily life

The measured loss/gain of the watch per day
This is called the daily rate

The accuracy of a mechanical watch
Is usually shown in this daily rate

The accuracy of a mechanical watch changes
delicately day by day
Depending on the condition in which the watch is used
or the outside environment

Thus,

By only observing loss/gain in one day
You cannot judge how accurate the watch works

If you check the average of the daily loss/gain rate,
You can judge the accuracy of the watch

In the case of quartz watches, the accuracy is usually
shown by the monthly/yearly rate
Total losses/gains for a month/year are called the loss/
gain rate of quartz watches

■

INTRODUCTION

-About mechanical watch-

Quartz watches and mechanical watches - what is the difference?

The accuracy is shown by the daily rate

Seiko Watch Corporation

Characteristics of a mechanical watch

High

Duration from a fully wound state

Power the mainspring supplies

Low

Vertical-3

o’clock

Horizontal-

dial up

6

7

English

The accuracy of a mechanical watch varies depending on many things,
Such as the amount the spring is wound by movements of your arm, temperature, or resting position
of the watch

Thus to show the accuracy of a mechanical watch evenly, not depending on the environment
Loss/gain of a mechanical watch is measured
Before the inside movements of the watch are put in the case,
Under controlled conditions,
With many days of tests
And the measured rate is called "the accuracy of mechanical watch movement at rest"

In both the Ofcial Swiss Chronometer Inspectorate and Grand Seiko Standard

The standard rate is the accuracy of mechanical watch movement at rest

＊

Refer to the instruction manual for further information on the Grand Seiko Standard and Rating

Certicate.

The accuracy of a mechanical watch in use should be from –1 second/day to +10 seconds (+8 seconds
for Cal. 9S86 and 9S85) /day. If the average of the daily rates exceeds this level, we would like the
responsibility for adjusting it accordingly ([Only in Japan]. The cost of adjusting the watch is free of charge
for two years from the date of purchase.
To adjust the accuracy as accurately as possible, information such as the rate of loss/gain of your watch
and how you use it, are very important. Please let us know the following when you ask for adjustment of
your watch by our service center.
(1) The average daily loss/gain rates for one week to ten days
Ex. an average of +11 seconds
(2) Approximate hours of wearing the watch in one day in the above period
Ex. Approximately 10 hours
(3) The resting position of the watch while you don't wear it
Ex. Horizontal - Dial up
Vertical - the crown up

This rate is the data measured in an environment that is articially controlled

In order to fairly evaluate/show the abilities of mechanical watches without being

inuenced by environmental changes

So it is different from “the accuracy of mechanical watches in use”
When you are actually wearing the watch

The accuracy of a mechanical watch varies delicately day by day, depending on the
environment
This is like a living thing
One of the charms that a mechanical watch has

As there a re rules for everything
There i s a rule for winding the sp ring

You have not heard this before?
Please keep it in min d

The mainsp ring - the sourc e of energy for a
mechanical watch
When it is fully wound, it ca n supply the most sta ble
energ y to every part of the watch movement, and the
accuracy of the watch be comes most stable

Even if your watch is a self-winding type,
when you feel the accuracy is not stable,
Shake the watch or turn the crown about
thirty times to wind the mainspring further
If you work at a desk, etc., and do not
move too much,

The spring will not be wound sufciently

If your watch is a wind-up mechanical type,
Turn the crown thirty to forty times every day,

at a xed time
To wind the mainspring sufciently

To use the watch with better accuracy,
Wind the mainspring every day, at a fixed
time
Please keep to this rule as best as possible

For instance,
You may make it a rule to wind the spring
When you wake up, or at lunchtime

Wind the mainspring of your mechanical watch at a xed time.

Place your watch correctly, like this.

Half of one day, twenty-four hours
When you do not wear your watch
The accuracy while you do not wear the watch is included in “the
accuracy of a mechanical watch in use”

The mechanical watch that you take off
Which position should the watch be put in?

The loss/gain of a mechanical watch
Depends on the resting position of the watch
In one position, the watch tends to gain, in another position, it doesn't

For instance, while you are sleeping at night,
When you do not wear your watch
Put the watch in various positions for seven to eight hours, such as
placing it with its face turned up, or with the crown up

To nd the best resting position for the watch for reducing the loss/

gain tha t occurs while you are wearing your watch

The accuracy of a mechanical watch movement at
rest / the accuracy of a mechanical watch in use

For lifelong use of your mechanical watch rule No.1

For lifelong use of your mechanical watch rule No.2

Characteristics of a mechanical watch

<<Balance>>

Hairspring

8

9

English

A piece of metal of about 0.1 mm, as
thin as a hair, is wound
That is the key that controls the
accuracy of all mechanical watches

Metals expand and contract depending on the
temperature
This characteristic of all metals also applies to the
hairspring
This affects the accuracy of a mechanical watch

In other words,
When it is hot, the hairspring expands
and the watch tends to lose
When it is cold, the hairspring
contracts and the watch tends to gain
This is typical

After you take off your watch
Do you leave it by your cell phone?
Or put it on a television or next to your PC?
Do you put it in your bag with your cell phone?

Watches do not like magnetism
They may lose or gain when affected by
magnetism

To make your mechanical watch work more
accurately
It is important not to leave the watch close to
magnetic objects for a long time

In particular, cell phones, televisions and
speakers of PCs have strong magnetism
A magnetic necklace, a clasp of a handbag,
magnetic parts of refrigerators
There are many magnetic objects around us
Please be careful

When you play golf, tennis or
baseball

When you play a sport that gives
your arm a strong impact
Please take off your mechanical
watch

There are reasons for this

For instance,
At the moment you hit a golf ball with a club
The impact of the ball against the club is about 1 ton

The impact is given to your wrist
And this will affect very small parts inside your
mechanical watch

Sometimes the impact will deform or break a watch
part
“Good shot” for you becomes “bad shock” for your
watch

Love your watch, once every three years
Talk about an overhaul

In the case of a mechanical watch, there is no
need to change your battery
However
Maintenance of your watch is also necessary

Once every three years
Please take your watch to our service center
For examining and cleaning every part of your
watch

Once you start using it
Your watch never takes a rest

And in the case of a mechanical watch, power
given to its gear is stronger,
Compared to a quartz watch
So parts may wear,

Oil may dry or be insufcient in some parts

Especially

The rst three years after you start using your watch is the

period when
Each part gets used to one another
And contacting each other causes additional metal powder

An overhaul after the rst three years is

The key to the life of your mechanical watch

Please keep in mind
An overhaul, once every three years

Can be considered
Love for your watch

For lifelong use of your mechanical watch rule No.3 For lifelong use of your mechanical watch rule No.5

For lifelong use of your mechanical watch rule No.6

For lifelong use of your mechanical watch rule No.4

Accuracy will vary depending on the temperature. Do not give your mechanical watch a strong shock.

Overhaul, once every three years

Keep your mechanical watch away from magnetic objects.

10

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English

■NAMES OF THE PARTS

About the caliber number

The caliber number is a four-digit number that indicates the model of a
movement (mechanical part of a watch). The Grand Seiko watch is mounted
with an exclusive caliber. The mechanical caliber number starts with “9S”, the
spring drive caliber number starts with “9R” and the quartz caliber number
starts with “9F”.

※

Some quartz caliber number starts with “8J” or “4J”.

How to check the caliber number

The four-digit model number on the case back is the caliber number.

In the case of mechanical models, the attached “Grand Seiko Standard

Inspection Certicate” is printed with “Caliber No.” So, the caliber number can
also be checked on the certicate.

Model Number

<Regular case back>

<See-through case back>

※

The above figures are examples and may differ from the figure on the case back of your watch.

9S85-00A0

8

5

8

5

Caliber Number

(Ex.)

Minute hand

Date

Hour hand

Second hand

Crown

AUTOMATIC

GMT

Minute

hand

Hour
hand

Second

hand

Date

24-hour

hand

Crown

9S85, 9S65, 9S64

9S86, 9S66

■CHECK THE CALIBER NUMBER

12

13

English

■HOW TO USE

HOW TO USE

(FOR CAL. 9S85)

Crown

There are two types of crowns, a normal crown and a screw-lock crown.

Screw-lock type crown

The screw-lock type crown features a mechanism that can securely lock the
crown when they are not being operated in order to prevent any operational errors
and to improve its water resistant property.

○

It is necessary to unlock the screw-lock type crown before operating it.

○

Once you have nished operating the crown, make sure to relock it.

※

By locking the crown by screw, a

screw-lock type crown can
prevent malfunction and increase
water resistance.

※

Be careful not to screw the crown

in by force as it may damage the
slots of the crown.

※

When locking the crown, turn it slowly with care, ensuring that the screw is properly engaged.
Be careful not to push it in forcefully, as doing so may damage the screw hole in the case.

How to wind the mainspring

○

This watch is an automatic winding type (with manual winding function).

○

The mainspring can be sufficiently wound automatically by natural
movement of the arm while normally worn on the wrist. In addition, it can
be wound by turning the crown.

○

A stopped watch can be started by arm movement when it is worn on the

wrist, however, before wearing the watch, wind the mainspring sufciently

and adjust the time and date. When turning the mainspring, turn the crown
at the normal position clockwise (12 o'clock direction) slowly. If you turn the
crown counterclockwise (6 o'clock direction), it will turn free. The

mainspring is sufciently wound when the crown is turned approximately 45

times. When the mainspring is in the full-winding state, it is structured so
that the mainspring slips if it is wound. Therefore, it is not necessary to
worry about cutting the mainspring, however, please refrain from excessive
operation.

※

It is recommend ed that you wear the watch o n your wrist m ore than 10 hours a day

to keep the mainspring wound up. If the mainspring is not wound up sufciently, the

watch may lose or gain time. If you do not wear the watch on your wrist, wind the

mains pring up suf cientl y by turning th e crown by hand e very day at a xe d time.

The crown

turns.

The crown

does not

turn.

※

It cannot be
tu rn ed any
further.

While
p r e s s i n g
the crown
in, turn it in
the direction
indicated by
the arrow.

Normal crown

Screw-lock type crown

Pull out the crown and operate it.

Unlock the crown
before operating it.

After operating the
crown, lock it.

Screw

While pressing the crown

Unscrew

[ To unlock the crown ]
Turn the crown counterclockwise
(downward) to unscrew it. Now the
crown can be operated.

[ To lock the crown ]
Turn the crown clockwise (upward)
while gently pressing it in toward the
watch body until it stops.

After operating
the crown, lock it.

Screw

While pressing the crown in

Unlock the crown
before operating it.

Unscrew

Crown
locked

Crown
unlocked

14

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English

First click

③

Pull out the crown to the second click when the second hand is at the 12
o'clock position. (The second hand stops.) Turn the crown clockwise until
the desired date appears. When the date changes, the time is a.m. Further
turn the crown to set the current time.

④

Push the crown back into
the normal position in
accordance with a time
signal. The watch starts
operating.

CAUTION

For models with a screw lock type crown, remember to screw the crown in.

CAUTION

For models with a screw lock type crown, remember to screw the crown in.

Normal
position

Second

click
First
click

Date adjustment at the end of the month

It is necessary to adjust the date after February (which has 28 days, 29 days in
a leap year) and a 30 day month.

【

Ex.

】

To adjust the date in the a.m. period

on the rst day of a month following

a 30-day month
On the first day, ''31'' is displayed.
Pull out the crown to the first click.
Turn the crown clockwise to set the
date to ''1'', and push the crown
back in to the normal position.

First click

CAUTION

○

Do not adjust the date between 10 o'clock p.m. and 1 o'clock a.m. If the
date is adjusted during this period of time, the date may not change when
the next day comes, or this may cause damage.

○

Due to its wheel train mechanism, for setting the time of the mechanical
watch correctly, the hands should be set back once slightly and then set
forward to the correct time.

How to set the time and date

This watch is equipped with the date display function. The date changes once
every 24 hours at around 12 o'clock a.m. Therefore, if the a.m./p.m. is
incorrectly set, the date will change around 12 o'clock p.m.

①

Pull out the crown to the rst click. (If the watch is equipped with the screw

lock type crown, unscrew the crown before pulling it out.)

②

The date can be adjusted by turning the crown clockwise (12 o'clock
direction). First turn the crown clockwise until the previous day's date from
the desired date appears.

(Ex.) If you want to set the date to ''6,''

set the date to ''5'' by turning the
crown clockwise.

HOW TO USE (For Cal. 9S85) HOW TO USE (For Cal. 9S85)

16

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English

HOW TO USE (FOR CAL. 9S86, 9S66)

How to wind the mainspring

○

This watch is an automatic winding type (with manual winding function).

○

The mainspring can be sufciently wound automatically by natural movement of the

arm while normally worn on the wrist. In addition, it can be wound by turning the crown.

○

A stopped watch can be started by arm movement when it is worn on the

wrist, however, before wearing the watch, wind the mainspring sufciently

and adjust the time and date. When turning the mainspring, turn the crown
at the normal position clockwise (12 o'clock direction) slowly. If you turn the
crown counterclockwise (6 o'clock direction), it will turn free. The mainspring

is sufciently wound when the crown is turned approximately 45times (60

times for Cal. 9S66). When the mainspring is in the full-winding state, it is
structured so that the mainspring slips if it is wound. Therefore, it is not
necessary to worry about cutting the mainspring, however, please refrain
from excessive operation.

※

It is recommend ed that you wea r the w atch on your wr ist more than 10 hou rs a d ay

to keep the mai nspring w ound up. If the main spring i s not wound up suf ciently, th e

watch may lo se or gain tim e. If you do not wear the watch on your wrist, wi nd the

mains pring up suf cientl y by turning th e crown by hand e very day at a xe d time.

How to set the time and calendar

○

To set the time and calendar, set the 24-hour hand and minute hand rst,

and then set the hour hand and calendar.

○

When setting the time, make sure that the mainspring is sufciently wound.

How to set the time

①

Make sure that the mainspring is sufficiently wound and the watch is

working.

※

When setting the date and time, ensure

that the watch is working.

②

Unlock the crown.

　 ⇒　

Refer to "How to use the scre w
lock type crown" on page 12.

③

Pull out the crown to the second

click when the small second hand
is pointing at the " 0 " second
position. The small second hand
will stop on the spot.

④

Turn the crown to rotate the 24-hour hand and minute hand clockwise and

set them to the current time.
While doing so, set the minute
hand a few minutes behind the
correct time, and then slowly
advance it to the desired time.

※

Only the 24-hour and minute hands

are to be set rst. Even if the hour

hand is indicating incorrect time, or
the date may be altered depending
on the position of the hour hand, it
is not necessary to make an
adjustment at this stage.

⑤

Push the crown back in simultaneously with the

time signal.

※

The setting of the 24-hour, minute and small second
hands to the current time is now completed.

⑥

To move on to the hour hand and calendar setting,

pull the crown out to the rst click.

⑦

Turn the crown to set the hour hand.

While turning the crown, the moment
the date changes is midnight. When
setting the hour hand, be sure that
AM/PM is set correctly. Adjust the
calendar also at this point if
necessary.

※

The crown can be turned in either direction

to adjust the date, however, it is
recommended to turn the crown in the
direction which enables you to set the date
with a smaller adjustment.

※

Turn the crown slowly, checking that the hour hand mo ves in one-hour increments.

※

When adjusting the hour hand, the other hands may move

slightly. However, this is not a ma lfunction.

⑧

Push the crown back in to complete the time setting.
Relock the crown.

⇒　

Refer to "How to use the screw lock type crown" on

page 12.

AUTOMATIC

GMT

Pull out the
crown to the
second click.

AUTOMATIC

GMT

Set the
24-hour hand
and minute
hand.

AUTOMATIC

GMT

Push the crown back
in simultaneously
with the time signal.

Pull the crown out

to the rst click.

HOW TO USE (For Cal. 9S86, 9S66)

Before date
adjustment

18

19

English

How to set the calendar

Two full rotations of the hour hand will change the date for one day.
The date advances one day by turning the hour hand two full rotations
clock wise (for 24 hours), whil e the date is s et back one day by turning the
hour hand two full rotations countercloc kwise.

※

Manual date adjustment is required on the rst day after a month that has less

than 31 days: Fe bruar y, April, June, Se ptember an d November.

①

Make sure that the main spring is s ufciently wound a nd the watch is wo rking.

※

When setting the date and tim e, ensure that the watch
is work ing.

②

Unlock the crown.

⇒　

Refer to "How to use the screw lock t ype cr own"
on page 12.

③

Pull out the crown to the rst click.

④

Each time the hour hand makes two fu ll rotations

by turning the crown, th e date is adjusted one
day. While tu rning the crown, the moment the date changes is midnight.
When setting the hour hand, be sure that a.m./p.m. is s et correctly.

⑤

Upon completion of setting, make sure that the time indicated is correct,

and then push the crown back in. The calendar setting is now completed.
Relock the crown.

⇒　

Refer to "How to use the screw lock type crown" on page 12.

※

The calendar is designed to work in conjunction with the movement of the hour

hand, therefore, incorrect setting of a.m./p.m. will cause the date to change at
noon.

※

The crown can be turned in either direction to adjust the date, however, it is

recommended to turn the crown in the direction which enables you to set the
date with a smaller adjustment.

※

Turn the crown slowly, checking that the hour hand moves in one-hour

increments.

※

When adjusting the hour hand, the other hands may move slightly. However,

this is not a malfunction.

Turning the crown clockwise (upward):
Each time the hour hand makes two full
rotations, the date is advanced one day.

※

The crown can b e turn ed in eithe r

directi on to adjust the da te, however, it is
recommended to turn the crown in the
direct ion wh ich e nables you to set the
date with a s maller ad justment.

※

Turn the crown s lowly.

※

When adjusting the hour hand, the other
hands, t he other han ds may move sli ghtly.
However, this i s not a malfunction.

Turning the crown counterclockwise
(downward):
Each tim e the hour hand makes two full
rotations, the date is set back one day.

Pull out the crown

to the rst click.

HOW TO USE (For Cal. 9S86, 9S66) HOW TO USE (For Cal. 9S86, 9S66)

20

21

English

How to use the 24-hour hand

This watch has two different types of 24-hour hand usage.

Time difference adjustment function

For example, while traveling abroad and staying in a place with a different time
from where you live, you can conveniently set the watch to indicate the local
time in the different time zone area without stopping the watch.
The hour hand indicates the time of the place where you currently are, while
the 24-hour hand indicates the time of the place of origin.
The calendar works in conjunction with the movement of the hour hand. If the
time difference is correctly adjusted, the watch displays the correct date of the
place where you are staying.

How to use the time difference adjustment function

①

Make sure that the mainspring is sufciently wound and the watch is

working.

※

When setting the hour hand to use the time difference
adjustment function, ensure that the watch is working.

②

Unlock the crown.

⇒　

Refer to "How to use the screw lock type crown" on
page 12.

③

Pull out the crown to the rst click.

<Type 1> 24-hour hand as an a.m./
p.m. indicator
Simply using the 24-hour hand to
show the 24-hour time as an a.m./
p.m. indicator. (This is the standard
usage type for the 24-hour hand.)

<Type 2> 24-hour hand as a dual time indicator
Using the time difference adjustment
function, set the 24-hour hand to
indicate a time different from the time
that the hour and minute hand indicate,
which is of a place in a different time
zone area with at least one hour of time
difference from where you are.

Both the hour hand and the 24­hour hand are indicating the
Japan time 10:00 a.m.

Hour hand: Japan time 10:00 a.m.
24-hour hand: New York time 8:00 p.m.

④

Turn the crown to set the hour hand to indicate the time of the place where

you are staying. Make sure that a.m./p.m. and date are correctly set.

※

The calendar is designed to work in conjunction with the movement of the hour hand,
therefore, incorrect setting of a.m./p.m. will cause the date to change at noon.

⇒　

Refer to "List of time zone differences in major regions of the world" on page 22.

Selectable display mode

With the time difference adjustment function, the watch features a dual time
display which shows time in two different time zones. It offers two display
modes which you can select to suit your needs and preference.

⑤

Upon completion of setting, make sure that the time indicated is correct,

and then push the crown back in. The setting procedure is now completed.
Relock the crown.

⇒　

Refer to "How to use the screw lock type crown" on page 12.

※

If you set the time during any time between 9:00 p.m. and 1:00 a.m., temporarily set

the hour hand back to 8:00 p.m., and then set the time.

※

The crown can be turned in either direction to adjust the time, however, it is

recommended to turn the crown in the direction which enables you to set the date
with a smaller adjustment.

※

Turn the crown slowly, checking that the hour hand moves in one-hour increments.

※

While turning the crown, the moment the date changes is midnight.

※

When adjusting the hour hand, the other hands may move slightly. However, this is

not a malfunction.

Example 1 :
Hour hand and calendar: Area A (Japan)
24-hour hand: Area B (New York)

Example 2 :
Hour hand and calendar: Area B (New
York) 24-hour hand: Area A (Japan)

Set the 24-hour hand rst, and then set the hour hand.

Turning the crown
clockwise
(upward): The hour
hand is advanced
one hour.

Turning the crown
counterclockwise
(downward): The
hour hand is set
back one hour.

Pull out the
crown to the

rst click.

AUTOMATIC

GMT

AUTOMATIC

GMT

AUTOMATIC

GMT

AUTOMATIC

GMT

AUTOMATIC

GMT

AUTOMATIC

GMT

HOW TO USE (For Cal. 9S86, 9S66) HOW TO USE (For Cal. 9S86, 9S66)

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English

List of time zone differences in major regions of the world

Names of the cities UTC ± (Hours) JST ± (Hours)

Other cities in the same region

Tokyo +9:00 ±0:00 Seoul

Beijin +8:00 -1:00

Hong Kong, Manila, Singapore

Bangkok +7:00 -2:00 Jakarta

Dacca +6:00 -3:00

Karachi +5:00 -4:00 Tashkent

Moscow +4:00 -5:00 Dubai

Jeddah +3:00 -6:00 Nairobi, Mecca

Cairo +2:00 -7:00

★

Istanbul, ★Athens

★

Paris +1:00 -8:00

★

Rome, ★Berlin,

★

Madrid

★

London ±0:00 -9:00

★

Casablanca

★

Azores -1:00 -10:00

★

Rio de Janeiro -3:00 -12: 00

★

Santiago -4:00 -13:00

★

New York -5:00 -14:00

★

Montreal

★

Chicago -6:00 -15:00

★

Mexico City

★

Denver -7:00 -16:00

★

Los Angels -8:00 -17:00

★

San Francisco

★

Anchorage -9:00 -18:00

Honolulu -10:00 -19:00

Midway Island -11:00 -20:00

★

Wellington +12:00 +3:00 Fiji

Nouméa +11:00 +2:00 Vladivostok

★

Sydney +10:00 +1:00 Guam

・

UTC = Coordinated Universal Time

　　・

JST = Japan Standard Time

・

Regions marked with “★” use daylight saving time. (as of January, 2014)

HOW TO USE (FOR CAL. 9S65)

How to wind the mainspring

○

This watch is an automatic winding type (with manual winding function).

○

The mainspring can be sufficiently wound automatically by natural
movement of the arm while normally worn on the wrist. In addition, it can
be wound by turning the crown.

○

A stopped watch can be started by arm movement when it is worn on the

wrist, however, before wearing the watch, wind the mainspring sufciently

and adjust the time and date. When turning the mainspring, turn the crown
at the normal position clockwise (12 o'clock direction) slowly. If you turn the
crown counterclockwise (6 o'clock direction), it will turn free. The

mainspring is sufciently wound when the crown is turned approximately 45

times for caliber 9S85, and approximately 60 times for caliber 9S65 and
9S66. When the mainspring is in the full-winding state, it is structured so
that the mainspring slips if it is wound. Therefore, it is not necessary to
worry about cutting the mainspring, however, please refrain from excessive
operation.

※

It is recommend ed that you wear the watch o n your wrist m ore than 10 hours a day

to keep the mainspring wound up. If the mainspring is not wound up sufciently, the

watch may lose or gain time. If you do not wear the watch on your wrist, wind the

mains pring up suf cientl y by turning th e crown by hand e very day at a xe d time.

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25

English

CAUTION

○

Do not adjust the date between 10 o'clock p.m. and 1 o'clock a.m. If the
date is adjusted during this period of time, the date may not change when
the next day comes, or this may cause damage.

○

Due to its wheel train mechanism, for setting the time of the mechanical
watch correctly, the hands should be set back once slightly and then set
forward to the correct time.

How to set the time and date

This watch is equipped with the date display function. The date changes once
every 24 hours at around 12 o'clock a.m. Therefore, if the a.m./p.m. is
incorrectly set, the date will change around 12 o'clock p.m.

①

Pull out the crown to the rst click. (If the watch is equipped with the screw

lock type crown, unscrew the crown before pulling it out.)

②

The date can be adjusted by turning
the crown clockwise (12 o'clock
direction). First turn the crown
clockwise until the previous day's
date from the desired date appears.

(Ex.) If you want to set the date to ''6'',

set the date to ''5'' by turning the
crown clockwise.

First click

③

Pull out the crown to the second
click when the second ha nd is at the 12 o'clock positi on. ( The second
hand stops.) Turn the crown clockwise until the desired date app ears.
When the date changes, the time is a.m. Further turn the crown to set the
current time.

④

Push the crown back in to the
normal position in accordance
with a time signal. The watch
starts operating.

CAUTION

For models with a screw lock typ e crown, remember to screw the crown in.

CAUTION

For models with a screw lock typ e crown, remember to screw the crown in.

Normal
position

Second

click
First
click

Date adjustment at the end of the month

It is necessary to adjust the date after February (which has 28 days, 29 days in
a leap year) and a 30-day month.

【

Ex.

】

To adjust the date in the a.m. period

on the rst day of a month following

a 30-day month

On the rst day of a 30 day month,

''31'' is displayed. Pull out the crown
to the first click. Turn the crown
clockwise to set the date to ''1'', and
push the crown back in to the normal
position.

First click

HOW TO USE (For Cal. 9S65) HOW TO USE (For Cal. 9S65)

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English

HOW TO USE (FOR CAL. 9S64)

How to wind the mainspring

○

This watch is a manual winding type.

○

In order to wind it up completely, please refer to the following table ;

In case the watch is supposed
to be wound up every day.

About 20 turns of the crown will wind up
the watch fully.

In case the watch was not wound
up more than three days.

About 60 turns of the crown will wind up
the watch fully.

○

From the state of the mainspring being sufciently wound, it continuously

operates for approximately 72 hours or more.

○

If the mainspring is not wound up sufciently, the watch may lose or gain time.

To attain a high accuracy, we suggest that the mainspring is wound up fully

once a day at a xed time.

How to wind the mainspring

※

When the watch is used from a state in which the mainspring is unwound to a stop, it
does not move immediately even if the mainspring is wound with the winding crown.
This is because of the mechanical watch's feature that the mainspring torque (force) is
weak at the beginning of mainspring winding. The second hand starts moving when
the mainspring is wound to reach a certain degree of torque strength, while the watch
can be made to move advance by shaking it to rotate the balance wheel forcibly.

Generally speaking, the crown of the manual winding mechanical watch cannot be turned
further when it is wound up fully. However, the crown of Cal. 9S64 can be turned
endlessly even after the watch is fully wound up. If you keep turning the crown, that gives
no effect to winding, but the watch is so designed as to make the winding a little tighter
and not to damage the watch. However, please refrain from excessive operation.

CAUTION

For models with a screw lock typ e crown, reme mber to screw the crown in.

①

Pull out the crown when the
second hand is at the 12 o'clock

position.
(The second hand stops.)
Turn the crown to set the current

time.

②

Push the crown back in to the

normal position in accordance

with a time signal.
The watch starts operating.

HOW TO USE (For Cal. 9S64)

Do not pull out the crown.

(If the watch is equipped with
the screw lock type crown,
unscrew the crown before
pulling it out.)

Slowly turn the crown
clockwise (12 o'clock
direction) to wind the
mainspring.

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29

English

■GRAND SEIKO STANDARD

Due to the movement (driving body) structure, normal usage
accuracy of a mechanical watch varies according to differences
in environmental conditions of use such as winding state of the
mainspring by movement amount of the wrist per day,
temperature environment, and position = orientation of a watch.
"Grand Seiko Standard" is a Seiko-exclusive accuracy standard
for mechanical watches, which has been established to check
superior performance of Grand Seiko mechanical watches
irrespective of differences in environmental conditions of use in
which a watch is used.

⇒

For details of the "Grand Seiko Standard," refer to pages 30
to 31.
It is conditioned that all of Grand Seiko mechanical watches are
to be passed by the "Grand Seiko Standard Inspeciton"
according to the exacting standard. Only products, in which the
movement single unit before assembly in a case is measured for
gain/loss (daily rate) under various environments which are
artificially controlled in the manufacturing plant for 17 days in
total, and the measured values fall under the standard range,
are given the title of "Grand Seiko."

Grand Seiko Special Standard

The Grand Seiko Special Standard is an accuracy standard
that sets even more exacting conditions than the Grand Seiko
Standard.
As for a model mounted with a caliber that passes this
standard inspection, as proof of passing, the logo “SPECIAL” is
printed on the dial.

For normal usage accuracy when the watch is actually used by
a customer, -1 to +10 seconds (+8 seconds for Cal. 9S86 and

9S85) per day are specied as target values. To properly judge

the accuracy in the case of normal usage, check gain/loss by
using for a week to ten days, not only for one day, in normal
use condition. If the mean value per day exceeds the above­mentioned target range, we will adjust the watch. (Adjustment
is provided free of charge within two years after purchase. After
the two-year period, adjustments are charged.) We will respond
to the following cases at cost regardless of the period of time
after purchase.

○

Disorder in accuracy has occurred due to customer's
carelessness such as, incorrect usage method or
magnetizing the watch.

○

Disorder in accuracy has occurred due to repair by
another company.

○

Disorder in accuracy has occurred due to natural

disasters such as re, ood or earthquake.

○

Guaranteed conditions have been altered.

Description of Grand Seiko Standard

Item Unit Standard

Special Standard

Mean daily rate in
different positions

Second/date −3.0 〜 ＋5.0 −2.0 〜 ＋4.0

Mean variation Second/date Less than 1.8 Less than 1.6

Maximum variation Second/date Less than 4.0 Less than 3.0

Difference between at

and hanging position

Second/date −6.0 〜 ＋8.0 −5.0 〜 ＋7.0

Greatest difference
between the mean daily
rate and any individual
rate

Second/date Less than 8.0 Less than 7.0

First variation of rate per 1℃Second/date /℃−0.5 〜 ＋0.5 −0.3 〜 ＋0.3

Second variation of rate per 1℃Second/date /℃−0.5 〜 ＋0.5 −0.3 〜 ＋0.3

Rate-resumption Second/date −5.0 〜 ＋5.0 4.0

Number of positions in inspection 6 positions

Condition of temperature in inspection 8, 23, 38

℃

Total days of inspection 17 days

30

31

English

Grand Seiko Standard Inspection Certicate

○

Grand Seiko Standard Inspeciton Certicate certies the values of a

movement single unit before assembly in a case which were
measured under an artificially controlled environment in the
manufacturing plant have passed the Grand Seiko Standard
Inspeciton. The certificate is printed with the caliber number,
movement serial number, and case serial number.

○

Normal usage accuracy of mechanical watches varies according to
respective customer conditions of use (winding state of the
mainspring by movement amount of the wrist per day, temperature
environment, and position (orientation of a watch). Accordingly, the
actual normal usage accuracy when it is used by a customer may
differ from the value of each item specified in the Grand Seiko
Standard.

CAUTION

The Grand Seiko Standard Inspeciton Cer tificate cannot be
reissued when it has been lost. Also, it cannot be reissued
after repair or adjustment.

Description of Grand Seiko Standard Terminology

Item Meaning

Position in
inspection

5 orientations are specified by the International Standard
ISO3158 so as to carry out various kinds of tests for time
keeping. In addition thereto, in the GS inspection, 12 o'clock
Up p osition in the state where a watch ta ken of f the wrist is

place d, is added, 6 orientations are speci ed. (D ial Up, Dia l

Down, 12 o'clock Up, 3 o'clock Up, 6 o'clock Up, and 9
o'clock Up)

Mean daily
rate

Mean value of a total of 12 daily rates measured in 6 different
positions, respectively, for two days. This is a target value
indicating basic gain/loss per day of a watch, however, it is
required to comprehensively judge the actual accuracy
performance in consideration of other items.

Mean
variation

Mean value of a total of 6 variations of daily rates between the
first day and second day when measured in 6 different
positions for two days each. It indicates the degree which daily
accuracy stabilizes in each position.

Maximum
variation

Maximum value of a total of 6 variations of daily rates between
the first day and second day when measured in 6 different
positions for two days each. It indicates the degree which
accuracy per day changes at maximum according to positions.

Difference

between at

and hanging
position

Indicates gain/loss in two positions at which a watch is most
frequently used in daily life. It is a difference between mean
daily rates for two days when a watch is placed in the dial Up
position and mean daily rates for two days when a watch is

placed in the 6 o'clock Up position.
Greatest
difference
between the
mean daily
rate and any
individual
rate

Maximum difference value between daily rates for twelve days

in the test initial stage and mean daily rates. It indicates the

degree at which the daily rate varies according to the manner

for placing a watch.

First variation
of rate per
1

℃

Variation in daily rates per 1℃ between 38℃ and 8℃ in the

same position (Dial Up position). It indicates gain/loss in the

temperature environment (taken-off state from the wrist) where

a watch is used.

Second
variation of
rate per 1

℃

Variation of daily rates per 1℃ between 38℃ and 23℃ in the

same position (Dial Up position). It indicates gain/loss in the

temperature environment (worn state of the wrist) where a

watch is used.

Rate­resumption

Value obtained by subtracting mean daily rates of initial two

days from daily rate of the last inspection day. It indicates the

degree at which daily rate stabilizes after usage for a

predetermined period.

32

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English

Cautions for accuracy of mechanical watch

■

TO PRESERVE THE QUALITY OF YOUR WATCH

Mechanical watches have a mechanism that is moved by power generated
when the mainspring is unwound, and small metal parts physically work
together to control the accuracy. Fragile metal parts of a mechanical watch are

easily inuenced by external environment such as temperature, gravity, and

shock. Also, conditions of use such as normal usage time and winding state of

the mainspring can, inuence the gain/loss of the watch.

①

Accuracy of mechanical watch is "mean daily rate."

Accuracy of the quartz watch is indicated monthly or annually such as a
monthly rate of ±15 seconds or annual rate of ±10 seconds. This indicates the
degree of total difference in accuracy when the quartz watch is continuously
used for a month or a year. To the contrary, accuracy of the mechanical watch
is normally indicated as a "mean daily rate." Accuracy of the mechanical watch

slightly varies each day as it is inuenced by various conditions of use, and it is

normally unstable. Then it is required to judge whether the accuracy is
satisfactory or not by checking the mean values in the case of use for a week
to ten days, but not for only one day. For normal usage accuracy of Grand
Seiko mechanical watch, -1 to +10 seconds (+8 seconds for Cal. 9S86 and

9S85) per day are specied as target values. If the mean value exceeds the

abovementioned target value in the normal usage condition when the watch is
used for a week to ten days, we will adjust it.

＊

Adjustment is provided free of charge within two years after purchase. After the two­year period, adjustments are charged. However, please note that the parts that are
age-deteriorated due to long duration of use may not be adjusted to your desired
accuracy.　⇒For details, refer to pages 28 and 33.

②

Factor inuencing accuracy -1: Wound amount of the mainspring

In order to use the mechanical watch at better accuracies, it is required to supply a
constant strong energy wherever possible to respective parts. In the state where the
mainspring is fully wound, accuracy is stable, however, when the mainspring is unwound
to weaken energy to be supplied, the parts controlling accuracy tends to be externally

inuenced, and accuracy becomes unstable. In order to use a mechanical watch at a

steady accuracy, it is recommended to use it in a condition where the mainspring is

sufciently wound.

③

Factor inuencing accuracy -2: Temperature inuence

Mechanical watch parts are metal which slightly elongate and contract by
change in temperature, and this influences accuracy. Normally, under high
temperatures, it tends to lose time, and under low temperatures, it tends to
gain time.

④

Factor inuencing accuracy -3: Difference by position (orientation of a watch)

Parts related to accuracy of a mechanical watch are also inuenced by the

earth's gravity. For example, gain or loss differs when a watch is horizontally
placed and when it is vertically placed in the 12 o'clock up position. When the
watch is not worn on the wrist, accuracy errors that occur while wearing can
also be compensated to some extent according to the position. Try to place it

in various positions to nd the position appropriate to your watch.

After-sale service

Notes on guarantee and repair

○

Contact the retailer from whom the watch was purchased or SEIKO
CUSTOMER SERVICE CENTER for repair or overhaul.

○

Within the guarantee period, present the certicate of guarantee to receive

repair services.

○

Guarantee coverage is provided in the certicate of guarantee. Read

carefully and retain it.

○

For repair services after the guarantee period has expired, if the functions of
the watch can be restored by repair work, we will undertake repair services
upon request and payment.

Replacement parts

○

SEIKO makes it a policy to typically keep a stock of replacement parts for
this watch for 10 years. Replacement parts are those which are essential to
maintaining the functional integrity of the watch.

○

Please keep in mind that if original parts are not available, they may be
replaced with substitutes whose outward appearance may differ from the
originals.

Inspection and adjustment by disassembly and cleaning (overhaul)

○

Periodic inspection and adjustment by disassembly and cleaning (overhaul)
is recommended approximately once every 2 to 3 years in order to maintain
optimal performance of the watch for a long time.

○

The movement of this watch has a structure that consistent pressure is
applied on its power-transmitting wheels. To ensure these parts work
together properly, periodic inspection including cleaning of parts and
movement, oiling, adjustment of accuracy, functional check and
replacement of worn parts is needed. Inspection and adjustment by
disassembly and cleaning (overhaul) within 2 to 3 years from the date of
purchase is highly recommended for long-time use of your watch.
According to use conditions, the oil retaining condition of your watch
mechanical parts may deteriorate, abrasion of the parts may occur due to
contamination of oil, which may ultimately lead the watch to stop. As the
parts such as the gasket may deteriorate, water-resistant performance may
be impaired due to intrusion of perspiration and moisture. Please contact
the retailer from whom the watch was purchased for inspection and
adjustment by disassembly and cleaning (overhaul). For replacement of
parts, please specify “SEIKO GENUINE PARTS”. When asking for
inspection and adjustment by disassembly and cleaning (overhaul), make
sure that the gasket and push pin are also replaced with new ones.

○

When your watch is inspected and adjusted by disassembly and cleaning
(overhauled), the movement of your watch may be replaced.

34

35

English

Guarantee

Within the guarantee period, we guarantee free repair/adjustment service
against any defects according to the following guarantee regulations, provided
that the watch was properly used as directed in this instruction booklet.

Guarantee coverage

○

The watch body (movement, case) and metallic band.

Exceptions from guarantee

In following cases, repair/adjustment services will be provided at cost even within the

guarantee period or under guarantee coverage.

○

Exchange of leather, urethane, or fabric band.

○

Troubles or damage to the case, glass, or band, caused by accidents or

improper usage.

○

Scratches or grime caused by use.

○

Troubles and damage caused by acts of God, natural disasters including

re, oods or earthquakes.

○

Text in certicate has been altered.

○

No certicate is presented.

Procedure to claim free repair services

○

For any defects under guarantee, submit the watch together with the

attached certicate of guarantee to the retailer from whom the watch was

purchased.

○

In the case where you cannot accept the guarantee from the retailer from

whom the watch was purchased due to gift-giving or relocation, etc., ask

SEIKO CUSTOMER SERVICE CENTER by attaching the certicate without

fail.

Others

○

For the watch case, dial plate, hands, glass, band etc., some alternative

parts may be used for repair if necessary. Refer to page 33 of this booklet
for retention period of the parts.

○

For length adjustment service of metallic band, ask the retailer from whom

the watch was purchased or SEIKO CUSTOMER SERVICE CENTER. Other
retailers may undertake the service on a chargeable basis or may not
undertake the service.

○

Free repair services are guaranteed only under the period and conditions

specified in the certificate of guarantee. It dose not affect specific legal
rights of a consumer.

Daily care

The watch requires good daily care

○

Do not wash the watch when its crown is at the extended position.

○

Wipe away moisture, sweat or dirt with a soft cloth.

○

After soaking the watch in seawater, be sure to wash the watch in clean
pure water and wipe it dry carefully.

※

If your watch is rated as “non-water resistant” or “water resistant for daily use”, do
not wash the watch.

　 →

Performance and type page 37 Water resistance page 37

Turn the crown from time to time

○

In order to prevent corrosion of the crown, turn the crown from time to time.

○

The same practice should be applied to a screw lock type crown.

　 →

Crown page12

36

37

English

Band

The band touches the skin directly and becomes dirty from sweat or dust.
Therefore, lack of care may accelerate deterioration of the band or cause skin
irritation or stain on the sleeve edge. The watch requires a lot of attention for
long usage.

Metallic band

○

Moisture, sweat or soil will cause rust even on a stainless steel band if they
are left for a long time.

○

Lack of care may cause a yellowish or gold stain on the lower sleeve edge
of shirts.

○

Wipe off moisture, sweat or soil with a soft cloth as soon as possible.

○

To clean the soil around the joint gaps of the band, wipe it out in water and
then brush it off with a soft toothbrush (Protect the watch body from water
splashes by wrapping it up in plastic wrap etc.).

○

Because some titanium bracelets use pins made of stainless steel, which
has outstanding strength, rust may form in the stainless steel parts.

○

If rust advances, pins may poke out or drop out, and the watch case may
fall off the bracelet, or the clasp may not open.

○

If a pin is poking out, personal injury may result. In such a case, refrain from
using the watch and request repair.

Leather band

○

A leather band is susceptible to discoloration and deterioration from moisture,
sweat and direct sunlight.

○

Wipe off moisture and sweat as soon as possible by gently blotting them up
with a dry cloth.

○

Do not expose the watch to direct sunlight for a long time.

○

Ple ase take care whe n wearing a watch with light-colored band, as dirt is likely
to sh ow up.

○

Refrain from wearing a leather band watch other than Aqua Free bands while
bathing, swimming, and when working with water even if the watch itself is
water-resistant enforced for daily use (10-BAR/20-BAR water resistant).

Polyurethane band

○

A polyurethane band is susceptible to discoloration from light, and may be

deteriorated by solvent or atmospheric humidity.

○

Especially a translucent, white, or pale colored band easily adsorbs other

colors, resulting in color smears or discoloration.

○

Wash out dirt in water and clean it off with a dry cloth. (Protect the watch

body from water splashes by wrapping it up in plastic wrap etc.)

○

When the band becomes less exible, have the band replaced with a new

one. If you continue to use the band as it is, the band may develop cracks
or become brittle over time.

Notes on skin irritation and allergy

Skin irritation caused by a band has various reasons such as allergy to metals
or leathers, or skin reactions against friction on dust or the band itself.

Notes on the length of the band

Adjust the band to allow a little clearance with your wrist to ensure
proper airflow. When wearing the watch, leave enough room to

insert a nger between the band and your wrist.

The case back shows the caliber and performance of your watch

<Regular case back>

<See-through case back>

※

The above figures are examples. Both of them may be different from the figure on the case back of your watch.

8

5

Water resistant performance

Caliber Number

Refer to

"Water resistance".

page 37

The number to identify

the type of your watch

8

5

Water resistance

Refer to the table below for the description of each degree

of water resistant performance of your watch before using.

Indication on the

case back

Water resistant

performance

Conditions of Use

No indication Non-water resistance Avoid drops of water or sweat

WATER RESISTANT

Water resistance for
everyday life

The watch withstands
accidental contact with
water in everyday life

WARNING

Not suitable for swimming

WATER RESISTANT

5 BAR

Water resistance for
everyday life at 5
barometric pressures

The watch is suitable for
swimming.

WATER RESISTANT

10 (20) BAR

Water resistance for
everyday life at 10 (20)
barometric pressures

The watch is suitable for
diving not using an air
cylinder.

38

39

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Lumibrite

If your watch has Lumibrite

Lumibrite is a luminous paint that is completely harmless to human
beings and the natural environment; containing no noxious materials
such as radioactive substance. Lumibrite is a newly-developed
luminous paint that absorbs light energy of the sunlight and lighting
apparatus in a short time and stores it to emit light in the dark. For
example, if exposed to a light of more than 500 lux for approximately
10 minutes, Lumibrite can emit light for 3 to 5 hours.
Please note, however, Lumibrite emits the light it stores, the luminance
level of the light decreases gradually over time. The duration of the
emitted light may also differ slightly depending on such factors as the
brightness of the place where the watch is exposed to light and the
distance from the light source to the watch.

※

In general, when you enter a dark place from a bright environment,

your eye cannot adapt to the change in light levels quickly. At rst,

you can hardly see anything, but as time passes, your vision
gradually improves. (Dark adaptation of the human eye)

<Reference data on the luminance>

Condition Illumination

Sunlight

Fine weather 100,000 lux

Cloudy weather 10,000 lux

Indoor

(Window-side during

daytime)

Fine weather more than 3,000 lux

Cloudy weather 1,000 to 3,000 lux

Rainy weather less than 1,000 lux

Lighting apparatus

(40-watt daylight

uorescent light)

Distance to the watch: 1 m

1,000 lux

Distance to the watch: 3 m

500 lux (average room luminance)

Distance to the watch: 4 m

250 lux

Magnetic resistance (Magnetic inuence)

Affected by nearby magnetism, a watch may temporarily gain or lose time or stop operating.

Cellular phone

(speaker)

Bag

(with magnet buckle)

AC adapter

AC-powered

shaver

Magnetic cooking

device

Portable radio

(speaker)

Magnetic
necklace

Magnetic

health pillow

Indication on the case back

Condition of use

Certied level

No indication

Keep the watch more than 5
cm away from magnetic
products.

4,800A/m

Keep the watch more than 1
cm away from magnetic
products.

16,000A/m

MAGNETIC RESISTANT

40000A/m

The watch can maintain its performance in
most cases where it is brought close to (at
least 1cm spaced from) magnetic products
not only in normal daily life circumstances
but also in a special work environments.

40,000A/m

MAGNETIC RESISTANT

80000A/m

80,000A/m

A/m (amp ere meter) is the International uni t (SI unit) for indicating the magneti c eld.

If the watch becomes magnetized and its accuracy deteriorates to an extent
exceeding the specified rate under normal use, the watch may need to be
demagnetized. In this case, you will be charged for demagnetization and
accuracy readjustment even if it happens within the guarantee period.

The reason why watch is affected by magnetism.

The built-in balance spring is provided with a magnet, which may be inuenced
by a strong external magnetic eld.

Examples of common magnetic products that may affect watches

40

41

English

■SPECIFICATIONS (Movement)

Caliber no. 9S86, 9S85
Common features Hour Hand, Minute Hand, Second Hand, Date.
Extra features for

Cal. 9S86 only

24-hour hand, Time difference adjustment function

interrelated with the day display

Vibrations 36,000/hour (10/second)
Loss/gain (Grand

Seiko Standard)

Mean daily rate

※

: -3 to +5 seconds

Loss/gain (Grand Seiko
Special Standard)

Mean daily rate※: -2 to +4 seconds

Driving system

Automatic winding type with manual winding function

Duration

For 55 hours or more. ※From the state of the

mainspring being sufciently wound

Jewels 37 jewels

Caliber no. 9S66
Features

Hour Hand, Minute Hand, Second Hand, 24-hour Hand, Date.

Vibrations 28,800/hour (8/second)
Loss/gain Mean daily rate

※

: -3 to +5 seconds

Driving system

Automatic winding type with manual winding function

Duration

For 72 hours or more. ※From the state of the

mainspring being sufciently wound

Jewels 35 jewels

Caliber no. 9S65
Features Hour Hand, Minute Hand, Second Hand, Date.
Vibrations 28,800/hour (8/second)
Loss/gain Mean daily rate

※

: -3 to +5 seconds

Driving system

Automatic winding type with manual winding function

Duration

For 72 hours or more. ※From the state of the

mainspring being sufciently wound

Jewels 35 jewels

Caliber no. 9S64
Features Hour Hand, Minute Hand, Second Hand.
Vibrations 28,800/hour (8/second)
Loss/gain Mean daily rate

※

: -3 to +5 seconds

Driving system Manual winding type

Duration

For 72 hours or more. ※From the state of the

mainspring being sufciently wound

Jewels 24 jewels

Mean daily rate

※

: is a mean value of daily rates in a condition where the movement before

assembly in a case are measured in 6 positions in a xed manner under articially controlled

environment for 12 days.
Caution: Depending on conditions of use( such as normal usage time, temperature
environment, and winding state), accuracy may exceed the abovementioned range.
Therefore, for normal usage accuracy when it is actually used, -1 to +10 seconds (+8

seconds for Cal. 9S86, 9S85) per day are specied as target values

※

The specifications are subject to change without prior notice due to product

improvement.

Troubleshooting

Troubles Possible Causes Solutions

The watch
stops
operating.

The mainspring has not
been wound.

Wind the mainspring or swing
the watch for a few times so
that the watch will start
operating. If this action does
not correct the condition,
consult the retailer from whom
the watch was purchased.

The watch
temporarily
gains/loses
time.

The watch has been left in
extremely high or low
temperatures for a long
time.

Normal accuracy will resume
when the watch returns to
normal temperature.

The watch was brought
into close contact with a
magnetic object.

By distancing magnetism,
accuracy is recovered.
Readjust the time. If accuracy
is not recovered, consult the
retailer from whom the watch
was purchased.

The watch was dropped,
worn while playing active
sports, hit against hard
surfaces, or exposed to
strong vibrations.

Accuracy cannot be
recovered. Consult the retailer
from whom the watch was
purchased.

Inspection, adjustment,
and overhaul cleaning
have not be en pe rforme d
for the watch for more
than 3 yea rs.

Consult the retailer from whom
the watch was purchased.

The date
changes
during
daytime.

A.m./p.m. is not correctl y
set.

Advance the hour hand for 12
hours and reset the time and
date.

Blur in the
display
persists.

Small amount of water
has got i nside the watch
due to dete rioration of the
gasket, etc.

Consult the retailer from whom
the watch was purchased.

※

For the solution of troubles other than above, contact the retailer from whom the watch was purchased.