50
51
How to set the calendar …………………………………………………… 68
How to use the 24-hour ha nd …………………………………………… 71
■TIME DIFFERENCE ADJUSTMENT FUNCT ION ………………… 72
How to use the time dierence adjustment function …………………… 72
List of time zone dierences in major reg ions of the world ………… 76
■CHRONOGR APH ………………………………………………………… 78
How to use the chronograph (stopwatch) ………………………………… 80
Accumulated elapsed time mea surement ………………………………… 82
■SPECIFICATIONS ……………………………………………………… 85
■REMARKS ON AFTER- SALES SERVICING ……………………… 86
■REMARKS ON REPLACEMEN T PARTS …………………………… 87
■TO PRESERVE THE QUALITY OF YOUR WATCH ……………… 88
■TROUBLESHOOTING …………………………………………………… 9 6
CONTENTS
■CHARACTERISTICS …………………………………………………… 53
■NAMES OF THE PARTS AND THEIR FUNCTION ………………… 54
■SCREW LOCK TYPE CROWN AND BUTTON ……………………… 56
How to use the screw lock type crown …………………………………… 57
How to use the screw lock type button …………………………………… 59
■HOW TO WIND THE MAINSPRING …………………………………… 60
Guide for winding state of the mainspring ……………………………… 60
How to manually wind the mainspring by turning the crown …………… 61
■POWER RESERVE INDICATOR ……………………………………… 62
How to read the power reserve indicator ………………………………… 63
■HOW TO SET THE TIME AND CALENDAR ………………………… 64
How to set the time ………………………………………………………… 64
Tips for more accurate time setting ……………………………………… 67
52
53
■CHARACTERISTICS
Sprin g D rive, the u nique mechanis m made available only by SEI KO t echno logy, ensures
quartz ac curacy whi le using the m ainspri ng as its sole p ower source.
With Spring Drive as its b asic s tru ctu re, the S prin g Driv e Chro nog raph featur es the
world's rs t center chro nograph se cond hand w hich works in a per fectly smooth m ovement.
In addition to the self-windin g me chanis m, which uses the nat ural motion of the wearer's
arm a s a power s ource to wind its mains pring, t he watch i s equipped with the manual winding mecha nism, whic h is convenient t o wind the ma insprin g when you star t using the w atch.
The watch keeps working for approxim ately 7 2 hou rs (three days) when the mains pring is
fully woun d.
The watch featu res the power res erve indicat or to show the wind ing state of the m ainspri ng.
The glide -motion sma ll secon d hand that move s in a perfect ly smooth move ment is one of th e
remarkable fe atures of th is watch.
The watch i s also equ ipped with a 2 4-hou r hand, oe ring a tim e dierenc e adjustme nt function, which work s in conjunct ion with the ca lendar.
Spring Drive works by the power provided by the mainspr ing. Remember to check the power r eserve indic ator and keep the mains pring of the watch suci ently wound while u sing the watch.
Refer to "POWE R RESERVE INDICATOR" o n page 62.
You are now the proud owner of a Grand Seiko watch.
Grand Seiko watches are designed and manufactured to operate with extremely high accuracy by taking advantage of
SEIKO's more than 100 years of experience in watchmaking
and the advanced technology that SEIKO can boast to the
world.
To preserve the highest quality of your Grand Seiko watch,
please read the instructions in this booklet carefully for its
proper use and care, and keep this booklet for ready reference.
※ For the det ails of the Spring Drive me chanism, refer to the s eparate volume "Sprin g Drive Handbook".
CAUTION
54
55
■NAMES OF THE PARTS AND THEIR FUNCTION
※ The orientation an d design of t he display may va ry depend ing on the mo del.
※ Some models may have scre w lock type cr own and butt on(s).
Refer to "SCR EW LOCK TY PE CROWN AN D BUTTON " on page 56.
●The mechanism of the crown
●Basic mechanism
Hour hand
Center chro nograph
second ha nd
Calenda r
Crown
Small sec ond hand
Power reserve
indicator
Chronog raph
hour hand
Chronog raph
minute han d
START/STOP
button
RESET
button
Minute ha nd
24-ho ur hand
Screw lock type crown
Before operating the screw lock type crown, it is necessary to unlock it.
In order to prevent any operational errors, once you have nished operating the crown, make
sure to relock it.
Refer to "SCREW LOCK TYPE CROWN" on the following page 56.
L ０ １ ２
L: Screw lock type crown is at the locked position.
0: Screw lock type crown is at the unlocked position: the
mainspring can be manually wound.
1: Screw lock type crown is positioned for calendar set
-
ting. (time dierence adjustment.)
2: Screw lock type crown is positioned for time setting.
56
57
■SCREW LOCK TYPE CROWN AND BUTTON
●How to use the screw lock type crown
The watch featu res a screw-lo ck mechani sm that can s ecurely lock th e crown and but tons to prevent a ny operationa l errors when t hey are not bein g operated.
How to unloc k the screw lock t ype crow n
How to lock the s crew lock ty pe crown
Turn the crow n coun ter clo ckw is e
(downward) to unscrew it.
Now the crown can be operated.
To loosen
Turn t he crown clockwise (upward)
while gently pre ssing it in toward
the watch body until it stops.
Screw lock ty pe crown is locked.
Screw lock type crown is unlocked.
※ Once the cr own is unlo cked, you can pu ll it out.
●Screw lock type crown
Turn the crown while pr essing it in .
It is necessa ry to unlock the screw lock ty pe crown before operating it.
Once you have nished operating the crow n, make sure to relock it.
When lock ing the crown, turn it slowly with care, en suring th at th e
screw is prop erly eng aged. Be careful not to forcibly push it in , as doing so
may damag e the screw hole.
CAUTION
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59
Ma ke sure that you turn the butt on rin g all t he way u ntil it st ops, eve n
after you ca n see the g uide line. Faili ng to do so ca n cause oper ational failu re.
●How to use the screw lock type button
It is necessa ry to unlock the screw lock ty pe button before operating it.
※ Turn the button all the way until t he slide cover descends and the but ton ri ng can no longer be
turne d. Once you fi nish tur ning the button complet ely, the button be comes fu lly unlocke d.
How to unlock t he screw lock type butto n How to lock the sc rew lock type button
Turn the button ring counterclockwise (downward) to lower the slide cover gradually.
Turn the but ton rin g fu rth er until you can
clearly s ee t he g uide line and the button ring
can no longer be tur ned. Now the screw lock
type button is u nlocked and can be operate d.
Turn t he but ton ring clock wise (upward)
until it stop s.
Now t he screw lock typ e but ton is completely locked.
Once you have nished operating t he button, make s ure that you relo ck it.
Guide line
●Screw lock type button
Screw lock t ype butto n is locked.
Button ring Button ring
※Foreign part icles and co ntaminat ion can cau se operatio nal failure o f the screw an d/or button(s).
Refer to "TO PR ESERVE T HE QUALIT Y OF YOUR WATCH" on page 88 .
Turn the button r ing until it st ops. Turn the button r ing until it st ops.
Slide cover
CAUTION
Screw lock type button is unlocked.
To loosen
To fasten
60
61
■HOW TO WIND THE MAINSPRING
This watc h is a self- winding watch equipp ed with a manual w inding mechanis m. When
the watch is wor n on t he wr ist, t he motion of the wearer's arm w inds t he mai nspring
of the watch.
When first using a stopp ed watc h, it is recommen ded that yo u manu ally wind t he
mainspr ing by tur ning the crow n.
●How to manually wind the mainspring by turning the crown
In ord er to set the time and calendar after winding
the mainspring manually, do not relock the crown but
continue the procedures.
※ Refer to "How to set the time and calendar" on page 64.
※ Th e watch employs a devic e to prevent ov erwindin g of t he main spring. Once the mai nspring is fu lly
wound , the mainspri ng slips inside, diseng aging the win ding me chanism. When this hap pens, you can
still tu rn the crown w ithout damaging the watch, however, plea se refrain fro m excessive operatio n of the
mainspr ing.
※ Under a low-temperature condition (below 0℃), always keep at least one-six th of the watch power shown
by the power rese rve indicator.
●Guide for winding state of the mainspring
Self-wind ing:：
The main spring of t he watch is de signed t o be fully wo und when it is wo rn for twelve hou rs per day
for three to ve consecu tive days.
Manual w inding :
Five full rotations of the crown will provide the power to run t he w atch for approx imately ten
hours.
Observe t he power reser ve indicato r to check the level o f the remain ing power.
Refer to "POW ER RESERV E INDICATOR" on page 62.
1. Unlock the crown.
2. Slowly turn the crown clockwise (upward) to wind the mainspring with
extra care not to press it in. Wind the mainspring until the power reserve indicator shows a full-wound st ate. The small second hand starts
moving.
3. Once you n ish windin g the mainspring,
make sure you relock the crown.
※Refer to "How to use the screw lock type crown" on page 57.
※Refer to "How to read the power reserve indicator" on page 63.
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63
Power
Reserve
Indicator
Winding
state
of the
mainspr ing
Fully wound Half wound Unwound
Number
of hours
the watch
can run
Approximately 72
hours (3 days)
Approximately 3 6
hours (1.5 d ays)
The watch either
stops or is r unning
down.
■POWER RESERVE INDICATOR
※ Th e watch employs a devic e to prevent ov erwindin g of t he main spring. Once the mai nspring is fu lly
wound , the mainspri ng slips inside, diseng aging the win ding me chanism. When this hap pens, you can
still tu rn the crown w ithout damaging the watch, however, plea se refrain fro m excessive operatio n of the
mainspr ing.
Before removing the watch from your wrist,
observe t he po wer r es er ve in di ca to r to
check if the watch has stored enough power
to keep running until the next time you wear
it. If nece ssa ry, wind the mainspr ing. (To
prevent the watch from stopping, wi nd the
mainspring t o store the exce ss power that
will allow the watch to run for extra time.)
●HOW TO READ THE POWER RESERVE INDICATOR
※ The c ontinuous operable ti me of the watch may va ry depending o n actual use con ditions, such as
the number o f hours you wea r the watch or the e xtent of your move ment while wea ring it.
※ In a cas e where you wear the watch for a shor t period of tim e, observe t he power reser ve indica-
tor to check t he level of the rema ining power. If n ecessa ry, manually wind the m ainspri ng.
Power reserve ind icator
The power reserve indicator lets you know the winding state of the mainspring.
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65
■HOW TO SET THE TIME AND CALENDAR
To set the time a nd calendar, set the 24-hour hand and minute ha nd rst,
and then set the hour hand and calendar.
●How to set the time
1. Make sure that the mainspring is suciently wound and the watch is working.
※ When setting th e date and ti me, ensu re that the watch i s working.
3. Pu ll out t he crown to the second click
when the sma ll second ha nd is pointin g
at the " 0 " secon d position . The sm all
second ha nd will stop on t he spot.
4. Tur n the crown to rotate the 2 4-h our
hand a nd mi nute ha nd clock wise and s et
them to th e curr ent tim e. Whi le doin g
so, set t he min ute hand a few min utes
behind t he corre ct time, and then slowly
advance it to th e desired ti me.
※ Only t he 24-h our and minute hands a re to be set rst.
Even if the hour hand is ind icating incorrec t time, or the
date may be alt ered depending on t he position of the hour
hand, it is not nece ssary t o make an adjust ment at this
stage.
2. Unlock the crown.
Refer to "How to use the screw lock type
crown" on page 57.
Pull the crown
out to the rst
click.
Small second hand is pointing at
the " 0 " second position.
Pull out the
crown to the
second click.
5. Pu sh the crown ba ck in simulta neously
with the tim e signal
.
※ The setting of th e 24-hour,
minute and s mall second
hands to t he current time
is now complete d.
Push the crown back in simultaneously with the time signal.
6. To move on to th e hou r ha nd an d ca lenda r set tin g, pull the crown out t o
the rst click .
Set the
24-hour
hand and
minute hand
by rotating
them clockwise.
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67
8. P u sh th e cro wn back in t o com ple te the tim e s et ting .
Relock the crow n.
Refer to "How to u se the screw lo ck type cr own" on page 57.
●Tips for more accurate time setting
Keep in mind the following points in order to set the time more accurately.
1. Before setting the time, wind the mainspring suciently.
(Ensure that the power reserve indicator is showing a full-wound state.)
2. When starting to use a watch after it stops, wind the mainspring s ufciently. To set the time after that, wait for approximately 30 seconds
after the small second hand starts to move, then pull the crown out to the
second click.
3. The small second hand will stop moving while the crown is at the second
click. Do not stop the small second hand movement for longer than 30
minutes. If the stoppage of the small second hand movement exceeds 30
minutes, push the crown back in, and wait for at least 30 seconds after the
small second hand restarts moving, and then continue the time setting.
4. To 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.
(This procedure is required to ensure the proper engagement of the calen-
dar driving wheel.)
7. Turn th e crown to set th e hour han d.
While turning the crown, the moment the
date change s is midnig ht. When set ting
the hour hand, be s ure that AM/ PM is set
correctly.
Adjust the calendar a lso at this point
if necessar y.
※ The cr own ca n be turned in either direction
to adjust t he date, however, it is recommend ed t o t urn the crown in the direction which
enable s you to set t he date w ith a sma ller
adjustment.
※ Turn the crown slowl y, che cki ng that the
hour hand moves in one -hour increm ents.
※ Whe n adjust ing the hou r hand, the oth er
hands may move slightly. However, this is n ot
a malfunct ion.
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69
●How to set the calendar
Two full rotations of the h our hand wi ll change th e date for one day.
The date advance s one day by tur ning the hour ha nd two f ull rotat ions clock wise (for
24 hou rs), while the dat e is s et back one day by tur ning t he hour hand two fu ll rota tions count erclockwis e.
Manual date adjustment is r equired on th e rst day after a month that has le ss th an
31 days: February, Apr il, June, Sept ember and Novem ber.
1. Make sure t hat the mains pring is su ciently wound a nd the watch is work ing.
※When sett ing the date a nd time, en sure that t he watch is workin g.
4. Eac h tim e th e hou r ha nd ma kes two f ull rotations by turn ing the crown, the date
is adjust ed one d ay. While tu rning the crow n, the moment th e date ch anges i s midnight. Wh en setting t he hour hand , be sure th at AM/PM is s et correctly.
3. Pull out the crown to the rst click.
Pull out the crown
to the rst click.
2. Unlock the crown.
Refer to " How to use the screw lock type
crown" on page 57.
※ The crown c an be tur ned in either d irection to
adjust the dat e, however, it is recomm ended to
turn th e crown in the d irection wh ich enables you
to set the date w ith a smaller a djustment .
※ Turn the crown slowly.
※ When adjus ting the hou r hand, th e other hand s
may move slightly. However, this i s not a malfu nc-
tion.
Turn ing the crown clo ckw ise (upw ard ): Each
time the ho ur hand ma kes two fu ll rotations , the
date is set back o ne day.
Turning the crown cou nterclockwise (dow nward):
Each tim e t he hour hand m akes two fu ll rotations, th e date is advanc ed one day.
Before
date
adjustment
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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 57.
※ The calendar is designed to work in conjunction with the movement of the hour hand, therefore,
incorrect setting of AM/PM will cause the date to change at noon.
※ The crown can be tur ned 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 mal
-
function.
●How to use the 24-hour hand
This watch has t wo dierent types of 24-hour hand usage.
<Type 1>
24-ho ur hand as a n AM/ PM indicator
Simply using the 24 -hour hand to sho w t he
24-ho ur time as a n AM/PM i ndicator.
(T his is the sta ndar d usag e type f or t he
24-ho ur hand.)
<Type 2>
24-hour hand as a dual time indicator
Using the time dierence adjustment function, set the 24-hour
hand to indicate a time dierent from the time that the hour and
minute hand indicate, which is of a place in a dierent time zone
area with at least one hour of time dierence from where you are.
Refer to "H ow to use the ti me dierence adjus tment function"
on page 72.
Both the hour
hand and the
24-hour 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
PM
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■TIME DIFFERENCE ADJUSTMENT FUNCTION
For exa mple, while travelin g abro ad a nd s taying in a place with a d ierent time from where you
live, yo u ca n conve niently set t he wat ch to indicate t he lo cal t ime i n th e die rent t ime z one a rea
without sto pping the watc h.
The hou r hand i ndicates the time of the place where you currently ar e, while t he 24 -hour ha nd indicates t he time of the pla ce of origin .
The calenda r work s in conjunction with the movement of the hour hand. If the time di erence is
correct ly adjusted, t he watch dis plays the cor rect date of th e place where you ar e staying .
※ The crown can be turned in either direction to adjust the date, however, it is re commended to tu rn the crown in the
direction which enables you to set t he date with a smaller adjustment.
※ Turn th e crown slowly, checking that the hour hand moves in one-hou r increments.
※ While turning the crown , the moment the date changes is midnight.
※ When adjusting the hour hand, t he other hands may move slightly. However, this is not a malfunction.
3. Pull out th e crown to the rst click.
Pull out the crown to
the rst click.
2. Unlock the crown .
Refer to "How to use the screw lock type
crown" on page 57.
●How to use the time difference adjustment function
4. Turn the cr own to set the ho ur hand to in dicate the ti me of the place where you a re
staying. M ake sure that A M/PM is c orrectly set .
※ The calendar is desig ned to work in conjun ction with th e m ovement of the hour ha nd,
therefore, in correct s etting of AM /PM will c ause the dat e to change at n oon.
Refer to "List of time zo ne dierenc es in major reg ions of the world " on page 76.
Turning the
crown clockw ise
(upward): The
hour hand is s et
back one hour.
Turning the
crown count erclockwise (dow nward): The ho ur
hand is advan ced
one hour.
1. Make sure t hat the mains pring is su ciently wound a nd the watch is work ing.
※ When sett ing the hou r hand to us e the time di erence
adjustment f unction , ensure t hat the watch is work ing.
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75
5. Upon completion of sett ing, m ake sur e that the t ime ind icated i s corr ect, a nd the n
push the crown back i n. The setting pr ocedure is now com pleted. Relock the crown .
Refer to "How to use the screw lock type crown" on page 57.
If you set the time during any t ime 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.
Example 1
Hour hand a nd calenda r: Area A (Japa n)
24-hou r hand: A rea B (New York)
●Selectable display mode
With the time dieren ce adju stment function , the watch feature s a dual time display
which s hows ti me i n two diere nt tim e zone s. It oers two d isplay modes which you
can select t o suit your need s and preferenc e.
Set the 24- hour hand rst, and then set the hour hand.
Example 2
Hour hand a nd calenda r: Area B ( New York)
24-hou r hand: A rea A (Japan)
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77
Names of the cities
Time difference from
Japan
Time difference from
UTC
Other cities
Paris ★ - 8 hours + 1 hour Rome ★, Amsterdam★
London ★ - 9 hours ± 0 Casablanca
Azores ★ - 10 hours - 1 hour
Rio de Janeiro ★ - 12hours - 3 hours
Caracas - 13 hours - 4 hours Santiago★
New York★ - 14 hours - 5 hours Washington★, Montreal★
Chicago★ - 15 hours - 6 hours Mexico City★
Denver★ - 16 hours - 7 hours Edmonton ★
Los Angels ★ - 17 hours - 8 hours San Francisco ★
Anchorage★ - 18 hours - 9 hours
Honolulu - 19 hours - 10 hours
Midway Islands - 20 hours - 11 hours
There a re time zone differences ba sed on time of fsets from C oordinated Univers al Time (UT C), which has
been internationally adopted. The world i s divided into 24 time zones, and nei ghboring ti me zones have a
one-hou r time difference , so that they corr espond to the rot ation of the earth which makes one fu ll rotation
in 24 hours ( 1 day). In some regions of th e world, daylight saving tim e is individually obser ved.
Daylight savi ng time is a system t hat advances the of ficial local time by o ne hour during th e summer to take
advantage o f longer daylight hours.
●List of time zone differences in major regions of the world
The time d ifferenc es and us e of daylight sav ing time i n each regio n are subjec t to change a ccordin g
to the govern ments of the respect ive countrie s or region s.
Refer to "How to use the time dierence adjustment fu nction" on page 72.
Names of the cities
Time difference from
Japan
Time difference from
UTC
Other cities
Wellington ★ + 3 hours + 12 hours Fiji islands, Auckland★
Nouméa + 2 hours + 11 hours Solomon Islands
Sydney★ + 1 hours + 10 hours Guam, Khabarovsk ★
Tokyo ± 0 + 9 hours Seoul, Pingyang
Hong Kong - 1 hour + 8 hours Manila, Beijing, Singapore
Bangkok - 2 hours + 7 hours Jakarta
Dacca - 3 hours + 6 hours
Karachi - 4 hours + 5 hours Tashkend★
Dubai - 5 hours + 4 hours
Moscow ★ - 6 hours + 3 hours Mecca, Nairobi
Cairo★ - 7 hours + 2 hours Athens ★ , Istanbul★
Regions m arked with ★ us e daylight savi ng time (as of Ja nuary, 200 7).
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79
●Names of the chronograph parts and their function
※ The orientation an d design of t he display may va ry depend ing on the mo del.
※ Some models may have scre w lock type but tons.
Refer to "How to u se the screw lo ck type but ton" page 59.
30-m inite dial
12-hou r dial
Center chro nograph
second ha nd
Chronog raph
hour hand
Chronog raph
minute han d
START/STOP
button
RESET but ton
■CHRONOGRAPH
A c hronog raph is a watch that has a stopwatch function in addit ion to a time
display function.
This watch features a stopwatch f unction which c an measu re up to 12 hour s.
●Before using the stopwatch
1. Ma ke sure that the mainspring is suf ficient ly wound . Ensure that the
power reserve indicator shows a full-wound state of the mainspring.
When using the stopwatch, ensure that the watch is working.
2. Make sure that the center chronograph second hand is pointing at the 0
position. If it is not pointing at the 0 position , press the RESET button.
＊ B e car eful not to pull out t he crow n while the chronog raph second hand is m oving. The
chronog raph secon d hand will b e stopped in t he middle of the m easure ment.
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81
●How to use the chronograph (stopwatch function)
1. Make su re that the mai nspring is su fficiently wound and the watch is
working.
2. If your watch has screw lock type buttons, unlock them.
Refer to "How to use the screw lock type button" on page 59.
4. Stop measuring time.
At the moment you want to nish the measurement, press the START/STOP button
again to stop the chronograph hands.
Example: 6 hours 20 minutes 10 seconds and 8
5. Reset the chronograph ha nds.
After stopping the ch ron og rap h ha nd s,
press the R ESET button to return all the
chronograph hands to the 0 position.
The chron og raph minut e han d on th e 30 -mi nut e
dial completes two f ull rotations in an hour. T he
dis play of t he 12-ho ur dial will be he lpfu l as a
rough ind ication to rea d the 30- minute dia l.
3. Start measuring time.
Upon pressing of the START/STOP
button, the chronograph s econd hand
st a rts mov in g a n d the sto pw at c h
starts mea suring time.
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83
●Accumulated elapsed time measurement
1. Make su re that the mai nspring is su fficiently wound and the watch is
working.
2. If your watch has screw lock type buttons, unlock them.
Refer to "How to use the screw lock type button" on page 59.
3. Start measuring time.
Upon pressing of the START/STOP
button, the chronograph second hand
st a rt s m ov ing a nd the s to pw at c h
starts mea suring time.
4. Stop measuring time.
At the moment you want to fi nish t he
measureme nt, pre ss the START/STOP
but ton again to st op the chron og raph
hand s. The m easured time will be displayed.
5. Restart measur ing time.
Upon pressing of the START/STOP button again, the chronog raph hands rest art
moving from the position they had previously stopped.
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■SPECIFICATIONS
1. Featur es: 3 hand s (hour, minu te and sma ll second h ands), 24 -hour h and, Cale ndar dis play,
Time differenc e adju stment function, Power res erve i ndicator, Stopwatch: Center chr onograph s econd han d, Chronog raph hour a nd minute ha nds
2. Fr equency of cr ystal osc illator: 32 ,768 Hz
3. L oss/gain (monthly average): ± 15 seconds (± 1 seco nd per day) (worn on your wrist at
normal te mperatur e range bet ween 5℃ and 35 ℃)
4. O perationa l temperatu re range: b etween -10℃ and + 60℃
Under the low-tem perature condition ( below0 ℃), a lways kee p at least one sixth of the
watch power show n by the power reser ve indicat or.
5. D riving Syst em: Main spring (Sel f-windin g type with m anual wi nding fu nction)
6. H and movement : Glide-mot ion hands
7. Conti nuous o perable t ime: Ap prox. 72 hours (Approx. 3 day s) when the no rmal time d isplay fun ction a nd stopwat ch fun ction ar e used . (If the p ower reser ve indic ator show s the
power suppl ied by t he main spring is fu ll before start ing the watch.) D ependin g on co nditions of use , the contin uous operable t ime may beco me shorter th an the above.
8. IC (Integ rated Ci rcuit):Osc illator, frequ ency divid er, and spri ng drive control ci rcuit (C-
MOS-IC) : 1 piece
9. Nu mber of jewels: 50 jewel s
The speci fications a re subject to c hange witho ut prior notice du e to product im provements.
8. Reset the chronograph ha nds.
Aft er stop ping the chro nogr aph hands, press the
RESET but ton to ret urn al l the chron ograph ha nds
to the 0 positio n.
6. Stop measu ring time.
At the moment you want t o n ish t he mea surement, press the START/STOP button again to
stop the chr onograph ha nds. Th e measur ed time
displa yed at this time will be the t otal of the
rst and the seco nd me asurem ent (acc umulated
elapsed tim e).
7. Repeat measuring time cumulatively.
Step 5 and 6 above ca n be repeated a s required .
As you rep eat pres sing of the START/STOP
button , t he meas urement w ill stop and res tart
and each ela psed time measu rement will be ac cumulated .
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87
■REMARKS ON REPLACEMENT PARTS
SEIKO makes it policy to usually keep a stock of spare parts for Grand
Seiko watches for 10 years. In principle, your watch can be reconditioned
within this period if used normally. (Replacement parts are those which are
essential to maintaining the functional integ rity of the watch.)
The number of years that a watch is considered repairable may vary greatly
depending on the conditions under which it was used, and normal accuracy
may not be achieved in some cases. We recomm end, therefore, that you
consult the retailer from whom the watch was purchased when having them
repair your watch.
The cas e, dial, hands , glass and brac elet, or par ts may be replaced with
substitutes if the originals are not available.
For any other information, contact the retailer from whom your watch was
purchased or the "CUSTOMER SERVICE DEPARTME NT" of SEI KO
WATCH CORPORATION.
■REMARKS ON AFTER-SALES SERVICING
Your Grand Seiko watch wa s strictly checked and completely adjuste d at
the factor y to ensure its high accuracy. However, if your watch gets out of
order with the correct way of use as described in this instruction booklet
within the guarantee period, take your watch to the dealer from whom your
watch was purchased together with the certificate of guarantee. Repair and
adjustment will be made without charge.
The guarantee period is one year from the date of pu rchase. For the movement only, this guarantee period is extended to two yea rs from the date of
purchase. More detailed gua rantee coverage is provided in the certificate
of guarantee.
For repair services a fter the g uarantee period has expired or for any other
inform ation reg arding the Gra nd Seiko, please contact the retailer from
whom your watc h was purcha sed or the "C USTOM ER SERV ICE DEPARTMENT" of SEIKO WATCH CORPORATION.
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89
RASH AND ALLERGY
Adjust the bracel et and band s o that there will be a little clearance between the
bracelet or band and your wrist to avoid accumulation of perspiration.
If you are constitutionally predisposed to rash, the band may cause you to develop a
rash or an itch depending on your physical condition.
The possible cause of the rash are as follows:
1. Allergy to metals or leathers
2. Rust, dust or perspiration on the watch or band
If you develop any skin reactions, take off the watch and consult a doctor immediately.
■TO PRESERVE THE QUALITY OF YOUR WATCH
CARE OF YOUR WATCH
The case and bracelet touch the skin directly just as underwear.
If they are left dirty, the edge of sleeve may be stained with rust of those who have a
delicate skin may have a rash.
After removing the watch from your wrist, wipe perspiration or moisture with a soft
cloth. This will prevent the watch from being soiled, adding to the life of the gasket.
Do not cl ean the watc h with chemic als (especi ally with organic solvent s such as
benzene, thinner, alcohol, detergent, etc.). Otherwise, the watch may be deteriorated.
LEATHER BAND
When removing moisture from a leather band, do not rub the band with the cloth as
they may discolor it or reduce its gloss. Be sure to blot up the moisture using a soft
dry cloth.
Please note that leather bands may become less durable when they are moistened.
METAL BRACELET
Clean the watch bracelet with a soft toothbrush dipped in water or soapy water.
CAUTION
CAUTION
WATER RESISTANCE
・ If your watch is 3 bar water resistant, do not use it in water.
・ If your watch is 5 bar water resistant, do not use it in any type of diving including
skin diving.
・ If your watch is 10 or 20 bar water resistant, do not use it in saturation diving or
scuba diving.
WARNING
90
91
WATER RESISTANCE
・ Chec k the d ial or case back of your wat ch for t he water resista nt quality, and then se e the
table below.
・ Do not tu rn or pull out the crown whe n the watch is wet , as water may get in side the watch.
Designedand
manufacturedtowithstand
accidentalcontactwith
watersuchassplashes
andrain.
Suitableforshallow
divingwithoutaheavy
breathingapparatus.
Genuinediving
usingheliumgas.
Suitableforswimming,yachting
andotheraquaticsportsaswellas
forworkscloselyassociatedwith
watersuchaskitchenwork,
wateningandfishing.
Condition
ofuse
Degree
ofwater
resistance
Nowaterresistance
Waterresistance
（3bar）
Waterresistance
（5bar）
Waterresistance
（10bar）
Waterresistance
（20bar）
Indicationforwater
resistance
a:
Indicationonthedia
l
b:Indicationonthe
caseback
WATERRESISTor
WATERRESIST5BAR
Noindication,or
WATERRESIST20BAR
WATERRESIST20BAR
Noindication,or
WATERRESIST10BAR
WATERRESIST10BAR
Noindication
Noindication
Noindication
WATERRESIST
Noindication
× ×
×
×
×
◯ ×
×
×
×
◯ ◯
×
×
×
◯ ◯
◯
×
×
◯ ◯
◯
×
×
a
b
a
b
a
b
a
b
a
b
Genuine
divingusing
scuba.
CAUTION
The case back shows the performance, caliber/case number of your watch
<Regular case back>
<See-through cas e back>
※ The above f igure s are ex amples. B oth of th em may be different from the figu re on
the case ba ck of your watch.
Caliber and Case
Number
The number to
identify the type
of your watch
Water resis-
tance
refer to Page
90.
Magnetic resis-
tance
refer
to Page 92.
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93
Grand Seiko S pring Drive c onforms t o the Magn etic Resist ance Stan dard ※ of JIS Class 1.
The wat ch has magnet ic resi stance to ma intain perform ance i n most case s even w here it i s
brought clo se to (at lea st 5cm sp aced fro m) equipment generating a magn etic field in normal
life. However, the movem ent par t is m agnetize d when it encou nters a strong magnet ic field,
thereby ac curacy m ay go out of order. Pay atte ntion so a s not to bring t he inst rument close
to equ ipment (health appliances, speakers , an d mobile phones usin g a magnet) generating a
strong ma gnetic field w ithin 5cm .
If the accura cy exceeds the acc uracy target ra nge ( ± 15 seconds/mont h) d uring normal
usage du e to magn etizati on, removal of m agne tism and ac curac y r eadjust ment works a re
charged re gardles s of the gua rantee pe riod.
●MAGNETIC RESISTANCE
Examples of com mon items that generate a magnetic field
●Magnetized items that may affect watches
Speaker of audio instruments, ra dios, earphones, mobile phone
Magnetic clips Magnetic accessories
Magnetic health equipment (such
as magnetic plasters, magnetic pillows, magnetic back belts etc.)
Magnetic door seal of
refrigerator or furniture
Magnetic buckle of handbags or purses
Classi cation of
JIS anti magneti c
watches
Certie d level
of magnet ic re-
sistanc e
Indicat ion of
antimag netism on
the case b ack
Antimag netic quality
Class 1 48 00A/m
The watch has ma gnet ic resi sta nce to
mai ntai n perfo rman ce i n mo st cas es
wher e it is br ough t clos e to (at l east
5cm s paced from) equipme nt gene rating
a magneti c eld in norma l life.
94
95
Inspection and adju stment by disas sembly and cleaning (overhaul) of thi s
watch will be performed by SEIKO. When you ta ke the watch to the retailer from whom it was purchased, request that the watch be ins pected and
overhauled by SEIKO.
We suggest that you have your watch checked by SEIKO every 3 to 4 years
for long-time use of your watch.
※ The movement of this watch has a structure that consistent pressure is applied on its pow-
er-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 3 to 4 years from the
date of purchase is highly recommended for long-time use of your watch.
Contact the retailer from whom the watch was purchased for inspection and adjustment by disassembly and cleaning (overhaul) of your watch. Make sure that the gasket and push pin will be
also replaced with new ones.
・ For any que stions or concerns, contact the "CUSTOME R SERV ICE
DEPARTMENT " of SEIKO WATCH CORPORATION.
●Inspection and adjustment by disassembly and cleaning (overhaul)
・ If the watch is left in a temperature below − 10℃ or above ＋ 60℃ for a
long time it may function improperly or stop operating.
・ Do not leave the watch i n a place where it will be subjecte d to stron g
magnetism (for example, near television sets, loudspeakers or mag netic
necklaces).
・ Do not leave the watch where there is strong v ibration.
・ Do not leave the watch in a dusty place.
・ Do not expose the watch to ga ses or chemicals.
(Ex.: Organic solvents such a s benzene and thin ner, gasoline, nail polish,
cosmetic spray, detergent, adhesives, mercur y, a nd iodine antiseptic solution.)
・ Do not leave the watch in close contact with hot spring water, or do not
keep it in a drawer having insecticides inside.
●PLACES TO KEEP YOUR WATCH
96
97
Solution
Wind the mainspring a nd reset the time. While you are wea ring the watch or when you take it o, check the re maining power show n by the power reserve indicator an d wind the mainspring if ne cessary.
Wear the watch for a n extended period of tim e, or when taking o the watch, turn the crown to wind the ma inspring if the re maining power shown by the power re serve indicator is not su cient for the next use.
Return the wat ch to a normal temperature s o that it works accurately as usua l, and then reset the time. T he watch has been
adjusted so that it works accur ately when it is worn on your wrist under a normal tem perature range between 5℃ and 35℃ .
Correct this cond ition by mov ing and keeping the watch away f rom the magnetic sou rce. If this action does not
correct the c ondition, contact the r etailer from whom the watc h was purchased.
Reset the time. If the watch does not ret urn to its nor mal accuracy a fter resetting the time, contac t the retailer
from whom the wat ch was purchased.
Contact the r etailer from whom the watch w as purchased.
If the watch is l eft at a t emperature below 0℃, it may stop if the pow er reserve i ndicator is showing less than
one-six th of the power reserve. In s uch a case, turn the c rown to wind the main spring.
It takes s everal seconds b efore the adjustme nt function sta rts working. Set the time after the second han d moves
for approximate ly 30 seconds to set the ti me correctly.
Advance the ho ur hands for 12 hours to c orrectly set the time an d date.
■TROUBLESHOOTING
Trouble Possible cause
The watch stop s operating.
(The chro nograph hands do not move .)
The power supplie d by the mainspring ha s been consumed.
Even thou gh y ou we ar t he wa tch e very day, the
power reserve i ndicator does not move up.
The wat ch is worn on your w rist only for a short period of
time, or the a mount of arm movement is sm all.
The watch temp orarily gains or lose s time.
The wa tch has b een left in extremely high or low tempera tures.
The watch has be en lef t close to an obje ct wit h a s trong
magnetic el d.
You drop the watch, hit it ag ainst a hard surface , or wear it while
playing active s ports. The watch is exp osed to strong vibrat ions.
The inner su rface of the glass is cloud ed.
Moisture ha s entered the watch becau se the gasket has deterior ated.
The watch stop s eve n tho ugh t he po wer re serve
indicator is n ot showing "0."
The watch has b een left at a temperature b elow 0℃.
Right after s tarting the watc h, it s eems that the s econd
hand moves mor e quickly than usual whe n setting the time.
When start ing th e watch , it t akes a little time before the
adjustment f unction starts work ing (this is not a malfunc tion).
The date cha nges during daytim e. AM/PM is n ot correctly set.
Refer to "How to ma nually wind the main spring by turning t he crown" on page 61. Refer to "How t o set the time" on page 64.
※ In the event of any other pr oblem, please contact th e retailer from whom the wat ch was purchased.
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