ank you for your purchase of this Citizen watch.
Before using the watch, read this instruction manual carefully to ensure
correct use.
Aer reading, be sure to store this manual in a safe place should it be needed
for future reference.
* e case has dierent features depending on the model. Details of the case
features are not contained in this manual, see “ http://www.citizenwatch.jp/ ”.
To check the movement number
A case number−4 alphanumeric characters and
6 or more alphanumeric characters−is engraved
on the case back. (Figure on the right)
e rst 4 characters of the case number
represent the movement number of the watch.
In the example on the right, “ △△△△ ” is the
movement number.
<Engraving position example>
The engraving position
may dier depending on
watch model.
1
Safety precautions
is manual contains the following instructions that should be strictly
followed at all times to prevent injury to yourself and other persons as well
as damage to property.
• Injuries and damage that might be caused by using the watch improperly or neglecting
any of the instructions or precautions contained in this manual are classied with the
following symbols.
DANGER
WARNING
CAUTION
• Important instructions that should be followed are classied with the following symbols.
Warning (caution) symbol followed by instructions that should
be followed or precautions that should be observed.
Warning (caution) symbol followed by prohibited matters.
Highly likely to cause death or serious injury.
Can cause serious injury or death.
Can or will cause minor or moderate injury or damage.
2 3
<About protective stickers>
Please be sure to peel o protective stickers before wearing the watch if glass and
metal parts of the watch (case, metal band, and metal parts of the clasp) are covered
with the stickers. Perspiration or moisture may enter the gaps between the stickers
and the parts, which may result in a skin rash and/or corrosion of the metal parts.
<About band adjustment>
Do not attempt to adjust the watchband (including the metal and rubber type) by
yourself (except watches with accessory tool for band adjustment). Doing so may result in
dropping the watch or injury during the adjustment. Please contact your dealer or Citizen
Customer Support Center for adjustment of the band; otherwise, adjustment may not be
possible or not be free of charge.
Table of Contents
1. Your Watch …………………………………………………………6
2. Operating the Crown ………………………………………………7
3. Part Names …………………………………………………………8
4. Setting the Time and Date …………………………………………10
5. Adjusting the Time and Date ………………………………………12
• Adjusting the day of week …………………………………………12
• Adjusting the moon phase ………………………………………12
• Adjusting the day of month and month …………………………14
• Setting the Time …………………………………………………16
4 5
6. Characteristics of the Solar Powered Watch ………………………18
• Insucient Charge Warning Function ……………………………20
• Overcharging Prevention Function ………………………………21
• Quick Start …………………………………………………………21
• Guide to Charging Time ……………………………………………22
7. Solar-Powered Watch Handling Precautions ………………………23
8. Precautionary Items and Usage Limitation ………………………24
9. Warranty and Service ………………………………………………34
10. Specications ………………………………………………………36
1. Your Watch
is watch includes a solar cell surrounding its face and is driven by
converting solar energy into electric energy.
Other Features
• For the date, the numbered day of the month is indicated using a special
hand, and the month and day of the week are indicated in display windows.
• e watch is equipped with a moon phase indicator.
6 7
2. Operating the Crown
<About the crown>
Some models use screw down system for the crown.
Accidental operations can be prevented when the watch is not being
operated by locking the crown. To operate the watch, release the lock.
• If your watch does not have a screw down crown, operations can be
performed without locking or unlocking the crown.
Before operation
Unlock the crown
Rotate the crown
to the le
When the screw lock is released, the
crown extends to the normal position.
After operation
Lock the crown
Press the crown
2
and rotate it
to the right
(clockwise) to
tighten the screw
lock.
3. Part Names
<Illustration 1> <Illustration 2>
Day hand
Month adjustment
button
Day hand
Month adjustment
button
Month
(English only)
0 1
Day of week
(English only)
Second hand
Moon phase
e illustrations shown in this manual may dier from the actual watch you have purchased.
is manual describes the operation procedures for watch models that have a push button at
the 2:00 position and a crown at the 3:00 position.
2 0 1 2
Crown
Normal
position
Date adjustment position
( Day of month and moon phase
adjustment)
• Use an object with a
slender tip to press
the hidden push
button.
Time adjustment position
(Time and day of week
adjustment)
Normal
position
Month(English only)
Crown
Time adjustment position
( Time and day of week
adjustment)
Date adjustment position
( Day of month and moon
phase adjustment)
Day of week
(English only)
Second hand
Moon phase
is manual describes the operation procedures for watch models of the illustration 1.
8 9
4. Setting the Time and Date
When adjusting both the time and date, it is convenient to make settings in the order of
"day of week", "moon phase", "month and day of month", and then "time of day".
Adjusting the day of week
• Crown in position 2
• Turn the crown to the right
(The day of week begins
changing at the 12:00
position. To change to the
next day of week, make the
hour hand go around twice.)
Day of
month
Day of week
(English
only)
Moon
phase
10 11
Month
Position 1
Adjusting the day
of month and
moon phase
Adjusting the
moon phase
• Crown in
position 1
• Turn the crown
to the right
Month adjustment
button
01 2
Crown
Position 2
Adjusting the time
and day of week
Conrm the
day of month
to be set.
Adjusting the day of
month
• Crown in position 1
• Turn the crown to
the left
Temporarily set the day of
month to "30"
When the day
of month to be
set is from the
3rd to the 30th
When the day of
month to be set is from
the 31st to the 2nd
Adjusting the day
of month
• Crown in position 1
• Turn the crown to
the left
Adjust to the
day of month for
the current day
Adjusting the month
• The month changes
each time the month
adjustment button is
pressed
Adjusting the
month
• Press the month
adjustment
button
Adjusting the day
of month
• Crown in position 1
• Turn the crown to
the left
Adjust to the day of month
for the current day
Setting the time
• Crown in position 2
• Advance the
minute hand and
hour hand by
turning the crown
to the right
Turn the crown to
the left to move
the hands back
Return the crown
to the normal
position.
5. Adjusting the Time and Date
<Adjusting the day of week>
1. Pull out the crown to position 2 (time and day of week adjustment).
2. Turn the crown to the right (clockwise) to set the day of week for the current day.
• The day of week begins to change starting at about midnight and is
nished changing by about 5:00 a.m.
Day of month Month
Day
of
week
Moon phase
12 13
0 1 2
Position 1
Adjusting the day of
month and moon phase
<Adjusting the moon phase>
Month
adjustment
button
Crown
Position 2
Adjusting the
time and day
of week
1. Pull out the crown to position 1
(date adjustment position).
2. Turn the crown to the right
(clockwise) to set the moon
phase for the current day.
Look up the moon phase for
today in the newspaper or another
source and adjust while referring
to "Viewing the moon phase".
<Viewing the moon phase>
e moon phase indicator does not display the exact shape of the moon.
Use it as a guide to estimate the moon phase.
New moon
Moon phase:
Day 0
(Spring tide)
* The indicator may dier depending on the model.
First quarter moon
Moon phase:
Approx. day 7
(Neap tide)
Full moon
Moon phase:
Approx. day 15
(Spring tide)
Last quarter
Moon phase:
Approx. day 22
(Neap tide)
<To Set the Moon Phase Accurately>
e moon phase can be more accurately adjusted by adjusting on the day of
the new moon (when the moon indicator is completely hidden on the moon
phase, day 0) or full moon (when the moon indicator is straight up on the
moon phase, day 15).
<Adjusting the day of month and month>
Pull out the crown to position 1 (date
Month
adjustment
button
0 1
Crown
1.
adjustment position).
2. Adjust the day of month and the month.
• e day of month rotates to the right
when the crown is turned to the le.
• Pressing the month adjustment
Position 1
button changes the month.
[When the day of month to be set is from the 3rd to the 30th]
① Turn the crown to the le to set the day hand to the current day of the month.
② Press the month adjustment button to set the month to the current month.
[When the day of month to be set is the 31st]
① First, temporarily set the day of month to the 30th.
② Press the month adjustment button to set the month to the current month.
③ Turn the crown to the le to set the day to the 31st for the correct day of
month.
14 15
[When the day of month to be set is the 1st or 2nd]
① First, temporarily set the day of month to the 30th.
② Press the month adjustment button to temporarily set the month to one
month before the current month.
Example: Set to December when making settings for January.
Set to February when making settings for March.
③ Turn the crown to the le to set the day to the 1st or the 2nd for the
correct day of month.
e month changes to the current month at the same time the day of
month changes from the 31st to the 1st.
3. Return the crown to the normal position.
• Due to the construction of the mechanism, temporary adjustment is
required in order to set the correct date.
<Setting the Time>
1. When the second hand reaches the 12:00
position, pull out the crown to position 2
01 2
(time adjustment position).
2. Turn the crown to the right (clockwise)
Crown
to adjust the time.
Adjust the time while paying attention to
Position 2
a.m./p.m. by noting the time at which the
date changes.
3. Set the time to the time signal time, etc. and
return the crown to the normal position.
[Hints for accurate adjustment]
e time can be more accurately adjusted by rst stopping the second hand
at the 12:00 position, advancing 4 to 5 minutes past the time that the hour
and minute hand are to be set to, and then set the current time by backing
the hands into position by rotating the hands counterclockwise.
16 17
[NOTE]
① If you adjust the day of month when a time between 9:00 p.m. and
12:00 midnight is being displayed, the day of month sometimes does
not change to the next day even if the actual date changes. Avoid
changing the day of month during this time period.
② The day of month indicated by this watch follows a 31-day cycle.
To advance to the 1st of the next month after a short month (a month
having 30 days or February), pull out the crown to position 1 and turn
it to the left.
③ Avoid adjusting the month when the day hand indicates a day from
the 31st to the 2nd.
To make adjustment during this period, first set the day of month
outside the range of the 31st to the 2nd, and then adjust the month.
Then, set the day of month that the day hand should point to.
6. Characteristics of the Solar Powered Watch
When the watch is insuciently charged, the indication will be changed as follows:
[Normal indication]
The second hand moves at
1-second intervals
The watch has been insufficiently charged because
the watch face has not received sufficient light
As the battery recharges
The display time will be incorrect because the watch has stopped
due to insucient charge. Adjust to the correct time.
18 19
[Insucient charge warning]
The second hand moves at
2-second intervals
As rechargeable cell
capacity diminishes
without charging
2 second
2 second
The second hand starts moving at 2-second intervals.
The watch must be subjected to enough light for a sucient charge until
the watch hands begin moving.
[Stopped status]
The watch stops
<Insucient Charge Warning Function>
When the watch is insufficiently charged, the
second hand begins moving at 2-second intervals
to notify you that the watch charge is insucient.
Although the watch keeps accurate time during
this period, the watch will stop completely if
operation with an insucient charge continues
for approximately three or more days.
Restore the 1-second interval movement of the
second hand by subjecting the watch to light so
that it recharges.
To use the watch with complete peace of mind, be sure to fully recharge the
battery even aer the second hand returns to the 1-second interval movement.
Although the watch can be started again by subjecting it to light aer it stops
due to insufficient charge, the time given will no longer be correct, so be
sure to fully charge the battery and adjust to the correct time.
20 21
2 second
2 second
<Overcharging Prevention Function>
No matter how much the watch is charged, it will not aect the rechargeable
cell, timekeeping, functions or performance of the watch.
When the rechargeable cell becomes fully charged by exposing the watch
face to light, the overcharging prevention function is automatically activated
to prevent the battery from being charged further.
<Quick Start>
e watch stops if there is absolutely no charge. Subject the watch to light
and the hands will start moving in about 10 seconds. (e time required for
the hands to begin moving varies depending on the model and brightness of
the light.) Note, however, that the watch will stop again if the light is blocked
at this time because the charge may still be insucient.
<Guide to Charging Time>
* Below are the approximate times required for charging when exposing the watch
dial to light continuously.
Please use this table as a reference only.
Environment
Direct sunlight (Outdoors) 100,000 6 minutes 3 hours 19 hours
Cloudy (Outdoors) 10,000 30 minutes 14 hours 90 hours
Less than 20 cm from
30 W uorescent light
Indoor 500 4 hours 130 hours 880 hours
For a 1-day movement charging time ... e charging time to run the watch for one day with
Time for full charging ... e time for full charging aer the watch has stopped due to an
Illuminance
(lx)
3,000 50 minutes 25 hours 150 hours
normal movement.
insucient charging.When the watch is fully charged, it will maintain
its accuracy for about 6 months.
Charging Time (approximate)
To keep working
normally
for one day
To start working
normally when
the rechargeable
cell is empty
To charge
fully when the
rechargeable
cell is empty
[NOTE]
Charge the watch every day, as it will take a long time to recharge it, as is
indicated in the table, when it stops due to an insucient charging.
Furthermore, it is recommended to charge your watch by exposing to
direct sunlight once a month.
7.
Solar-Powered Watch Handling Precautions
<Always make sure to recharge frequently>
• Please note that if you wear long sleeves, the watch may stop as a result of being
covered by your sleeve and blocked from the light.
• When you take o the watch, try to place it in as bright a location as possible. is
will ensure that it will continue to run properly.
<Replacement of Rechargeable Cell>
• Because the watch uses a rechargeable cell, you do not need periodical cell replacement.
However, power consumption may increase aer using for an extended period of time
due to deterioration, and the power may run out earlier than expected. To avoid this,
we recommend that you have your watch inspected (Charge basis) periodically.
22 23
8. Precautionary Items and Usage Limitations
WARNING
• The rechargeable cell should never be removed from the watch. If for any reason
it becomes necessary to remove the rechargeable cell from the watch, keep out of
the reach of children to prevent accidental swallowing. If the rechargeable cell is
accidentally swallowed, consult a doctor immediately.
• Do not dispose of the rechargeable cell with ordinary garbage. Please follow the
instructions of your municipality regarding collection of batteries to prevent the risk
of re or environmental contamination.
Handling of Rechargeable Cell
WARNING
• Never use a battery other than the rechargeable cell specied for use in this watch.
Although the watch structure is designed so that it will not operate when another
type of battery is installed, if a silver battery or other type of battery is installed in
the watch and the watch is recharged, there is the risk of overcharging which may
cause the battery to rupture. is can cause damage to the watch and injury to the
wearer. When replacing the rechargeable cell, always make sure to use the designated
rechargeable cell.
Use Only the Specied Battery
24 25
WARNING
• Refer to the watch dial and the case back for the indication of the water resistance of your
watch. e following chart provides examples of use for reference to ensure that your watch
is used properly. (e unit “1 bar” is roughly equal to 1 atmosphere.)
• WATER RESIST (ANT) ××bar may also be indicated as W.R.××bar.
• Non-water resistant watches cannot be used underwater or in environments in contact with
water.
• Water-resistance for daily use (to 3 atmospheres) means that the watch may be worn while
washing your face or in the rain, but is not to be immersed in water.
Name
Non-water-resistant watch
Everyday-use
water-resistant watch
Upgraded everyday-use
water-resistant watch
Upgraded everyday-use
water-resistant watch
Water Resistance
Indication
Watch face or case back
ーーーーーー
WATER RESIST (ANT)
WATER RESIST (ANT) 5 bar
WATER RESIST (ANT) 10/20 bar
Specications
Non-water-resistant
Water-resistant to
3 atmospheres
Water-resistant to
5 atmospheres
Water-resistant to
10 or 20 atmospheres
• Upgraded water-resistance for daily use (to 5 atmospheres) means that the watch may be
worn while swimming, but is not to worn while skin diving.
• Upgraded water-resistance for daily use (to 10/20 atmospheres) means that the watch may
be worn while skin diving, but not while scuba or saturated diving using helium gas.
Water-related use
Minor exposure
to water (washing
face, rain, etc.)
Moderate exposure
to water (washing,
kitchen work,
swimming, etc.)
Skin diving,
marine sports
Scuba diving
using an air tank
Pulling out the
crown when the
watch is wet
NO NO NO NO NO
OK NO NO NO NO
OK OK NO NO NO
OK OK OK NO NO
26 27
CAUTION
• Be particularly careful when wearing your watch while holding a small child, to avoid
injury.
• Be particularly careful when engaged in strenuous exercise or work, to avoid injury to
yourself and others.
• Do NOT wear your watch while in a sauna or other location where your watch may
become excessively hot, since there is the risk of burns.
• Be careful when putting on and taking o your watch, since there is a risk of
damaging your ngernails, depending on the manner in which the band is fastened.
• Do not go to bed wearing the watch to prevent from unexpected injury or rash.
CAUTION
• Always use the watch with the crown pushed in (normal position). If the crown is of
the screw lock-type, make sure it is securely locked.
• Do NOT operate the crown when the watch is wet. Water may penetrate into the
watch, causing deterioration of water resistance.
• If water enters the watch or the watch fogs up and does not clear up even aer a long
time, consult your dealer or Customer Support Center for inspection and/or repair.
• Please note the folowing even if the watch is highly water-resistant.
•
If the watch is immersed in sea water, rinse with fresh water and wipe completely
with a dry cloth.
To avoid injury
Precautions
28 29
• Do not splash water from the faucet directly on the watch.
•
Do not take a bath wearing the watch.
• If seawater enters the watch, place the watch in a box or plastic bag and immediately
take it in for repair. Otherwise, pressure inside the watch will increase, and parts
(crystal, crown, buttons, etc.) may come o.
CAUTION
<Band>
• e durability of a leather band may be aected when wet (fading, peeling of adhesive),
owing to the properties of the material. Moreover, wet leather may cause a rash.
• Perspiration or accumulated dirt may cause the leather or rubber band to deteriorate.
Be sure to replace it regularly.
• It is recommended to take o the watch if it gets wet, even if the watch itself is water-
resistant.
• Do Not wear the band too tightly. Try to leave enough space between the band and
your skin to allow adequate ventilation.
• e rubber (urethane) band may be stained by dyes or soil present in or on clothing
or other accessories.
Since these stains may not be removable, caution is required when wearing your
watch with items that tend to easily transfer color (articles of clothing, purses, etc.).
In addition, the band may be deteriorated by solvents or moisture in the air. Replace
with a new one when it has lost elasticity or become cracked.
When Wearing your Watch
• Please ask immediately for the band adjustment and repair in the following cases.
•
e band is found to be abnormal due to corrosion of metal, etc.
•
e pin comes out of the band.
<Temperature>
• e watch may stop or the function of the watch may be impaired in extremely high
or low temperature. Do not use the watch in places where the temperature is outside
the operating temperature range as stated in the specications.
<Static Electricity>
• e integrated circuits (IC) used in quartz watches are sensitive to static electricity.
Please note that the watch may not indicate the correct time if exposed to intense
static electricity.
<Magnetism>
• Analog quartz watches are powered by a step motor that uses a magnet. Subjecting
the watch to strong magnetism from the outside can cause the motor to operate
improperly and prevent the watch from indicating the correct time. Do not allow the
watch to come into close proximity to magnetic health devices (magnetic necklaces,
magnetic elastic bands, etc.) or the magnets used in the latches of refrigerator doors,
clasps used in handbags, the speaker of a cell phone, electromagnetic cooking devices
and so on.
<Strong Shock>
• Avoid dropping the watch or subjecting it to other strong impact. It may cause
malfunctions and/or performance deterioration as well as damage to the case and
bracelet.
<Chemicals, Corrosive Gasses and Mercury>
• If paint thinner, benzene or other solvents or products containing these solvents
(including gasoline, nailpolish remover, cresol, bathroom cleaners and adhesives,
water repellent, etc.) are allowed to come into contact with the watch, the may
discolor, dissolve or crack the materials. Be careful when handling these chemicals.
Contact with mercury such as that used in thermometers may also cause
discoloration of the band and case.
CAUTION
• Rotate the crown while it is pressed in fully and press the buttons periodically so
they do not become stuck due to accumulations of foreign matter.
• The case and band of the watch come into direct contact with the skin in the same
manner as undergarments. Corrosion of the metal or unnoticed soiling such as that
caused by perspiration and dirt can soil sleeves and other portions of clothing. Keep
your watch clean at all times.
Always keep your Watch Clean
30 31
• The case and band of the watch come into direct contact with the skin. Rust, dirt or
perspiration present on the watch’s body or band may cause itching or a rash on your
skin. Such problems may also occur if you have an allergy to certain metals or
leather. If you think there is something wrong, discontinue wearing the watch
immediately and consult your physician. For the metal band and case, use a brush
with neutral detergent to remove dirt and perspiration. For the leather or rubber band,
wipe off dirt with a dry cloth.
• Leather bands may become discolored by perspiration or dirt. Always keep your
leather band clean by wiping with a dry cloth.
CAUTION
• Do not charge the watch at a high temperature (about 60°C or higher) as doing so
may cause the movement to malfunction.
Examples:
• Charging the watch too close to a light source which generates a large amount of heat
such as an incandescent lamp or halogen lamp.
* When charging under an incandescent lamp, be sure to leave 50cm or more between
the lamp and the watch to avoid exposing the watch to excessive heat.
• Charging the watch in a location where the temperature may become extremely high
such as on the dashboard of a vehicle.
Recharging Precautions
32 33
Caring for your Watch
• Wipe any dirt or moisture such as perspiration from the case and crystal with a soft
cloth.
• For a metallic, plastic or rubber watchband, wash any dirt off with water. Remove the
small amounts of dirt trapped between the crevices of the metallic band with a soft
brush.
• If you will not be using your watch for an extended period of time, carefully wipe off
any perspiration, dirt or moisture and store in a proper location, avoiding locations
subject to excessively high or low temperatures and high humidity.
• Wipe off dirt from the leather or rubber band with a dry cloth.
About the Watch with Luminous Paint
The paint on the dial and hands helps you with reading the time in a dark place. The
luminous paint stores daylight or artificial light (not including incandescent lighting) and
glows in a dark place. It is free from any radioactive substance or any other material
harmful to a human body or environment.
• The light emission gradually becomes weaker as time passes.
• The duration of the light (“glow”) will vary depending on the brightness, types of and
distance from a light source, exposure time, and the amount of the paint.
• The paint may not glow and/or may dissipate quickly if exposure to light was not
sufficient.
9. Warranty and Service
<Free Guarantee>
In the case a malfunction has occurred during the course of normal use while
the watch is till under warranty, the watch will be repaired free of charge in
accordance with the conditions of the warranty included with this manual.
<Stock Period of Repair Parts>
Our standard period for stocking repair parts for each model is generally seven
year. When an exterior part such as the watch case, glass, dial, hand, crown or
band is damaged, a spare part with dierent appearance may sometimes be used.
<Repair Period>
Repairs can be performed on your watch within the repair parts stock period
even aer the free guarantee has expired. However, you will be charged for these
repairs. Please take the watch to the shop where you purchased it and ask whether
it can be repaired because the repair period varies according to the conditions of
use, environment and so forth. Moreover, there are cases in which it is dicult to
restore the watch to its original accuracy when decreased accuracy has resulted
from long-term use.
34 35
<Change of Address or Receiving as a Gift>
In the event that you have moved or have received your watch as a gi, and are
not able to bring your watch to the shop where it was purchased for ser ving,
please consult Customer Support Center.
<Periodic Inspection(Charge Basis)>
You should have your watch inspected every 2-3 years to extend its life and ensure
safety. (charge basis) When replacing parts, always make sure to request genuine
parts. When it becomes necessary to replace packings and springs, it may sometimes
also be necessary to inspect other parts or to make repairs in addition to replacing the
parts. Please ask for more detailed information on repair or replacement expenses at
the shop where you purchased your watch or Customer Support Center.
<Request to customers>
All parts of this watch, except for the band, are to be repaired only at CITIZEN.
This is because special technologies and equipment are required to perform
repairs,inspections and adjustments. Please make requests for repairs to
Customer Support Center when having your watch repaired.
<Other Inquiries>
If you have any questions regarding the way warranty, repairs or other matters,
please inquire at the shop where you purchased your watch or Customer Support
Center.
10. Specifications
Cal. No. : 8730
Type : Analogue solar powered watch
Time accuracy : Average monthly deviation ±15 seconds when used in
room temperature (+5°C to +35°C)
Acceptable temperature range : -10°C to +60°C
Display functions : Time: Hour, minute and second
Date : • Day of week, month, and day of month display
indicated by special hand
• Moon phase indicator
Additional functions : • Insufficient charge warning function (2-second
interval movement)
• Overcharging prevention function
• Quick start
• Second hand stop function
• Calendar quick-correction function
36 37
Operation time : Time from a full charge until the watch stops without charging:
About 6 months Time from insucient charge warning to
watch stopping due to insucient charging: About 3 days
Battery : Rechargeable cell (lithium button cell), 1pc
*Specications may change without notice.
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