
Introduction
ank you for purchasing e CITIZEN.
is is a mechanical watch.
To ensure correct use, please read these instructions carefully.
1

Safety Precautions:
This manual contains the following the 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 damages which might be caused by using the watch improperly or neglecting
any of the instructions or precautions contained in this manual are classified with the
following symbols.
IMPORTANT
Danger
Warning
Caution
2
Highly likely to cause death or serious injury.
Can cause serious injury or death
Can or will cause minor or moderate injury or damage

Safety Precautions:
■ Important instructions are categorized and depicted in this manual as follows:
Warning (caution) symbol followed by instructions that should be followed
or precautions that should be observed.
Warning (caution) symbol followed by prohibited matters.
<Protective Stickers>
Be sure to remove any protective stickers that may be on your watch (case back, band, clasp,
etc.). Otherwise, perspiration or moisture may enter the gaps between the protective stickers
and the parts, which may result in a skin rash and/or corrosion of the metal parts.
<Band adjustment>
We recommend seeking the assistance of an experienced watch technician for sizing of your
watch. If adjustment is not done correctly, the bracelet may unexpectedly become detached
leading to loss of your watch or injury.
Consult Citizen Owners’ Help Desk.
IMPORTANT
3

Safety Precautions:
IMPORTANT
◆The crown
<Operating the screw down crown>
• e screw dow n crown is featured on some models.
Locking the crown prevents accidenta l operation. Unlock it when you want to operate the watch.
• Unlocking is not required before operation if your watch features a non screw down crown.
Unlock Relock
Screw do wn
crown
Turn the crow n to
the le (cou nter
clock wise) until it
pops out.
Caution
• When locking, pay attention to the screw fit, and push down gently while rotating.
• If you feel the screw catch during locking, do not apply excessive force, instead return to initial position and
rotate again.
4
Turn the crow n to the right
(clockwise) while gently
pushi ng it in, and tig hten
r mly.

Contents
Safety Precautions: IMPORTANT
Features
Handling the Watch
Names of components
Crown position and operation
The spring
Setting the time and date
Troubleshooting
Precautions
Mechanical Watches
Specication
Customer Support
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6
7
7
8
9
10
14
15
24
28
29
5

Features
e CITIZEN model no. 0910 is a mechanical (automatic winding) watch. Its design oers
an understated, eye-pleasing simplicity.
6

Handling the Watch
◆Names of
components
Hour hand
Minute hand
Crown
Second hand
Date indicator
· The il lustration s shown i n thi s manua l
may dif fer from the ac tua l watch you have
purchase d.
7

Handling the Watch
◆Crown position and operation
e crown can be pulled out and used as shown below.
0 1 2
8
Position (normal po sition): winds the s pring
0
Position : s ets the date (rotate clock wise)
1
Position :
sets t he time (second ha nd stopping dev ice)
2
e screw down lock retur ns to position 0
when unlocked.
(rotate clockwise)