Citizen AQ4103-16E User manual

T54T53

1
Introduction
ank you very much for purchasing e Citizen.
For the safe usage of this product, be sure to read this instruction
manual before use.

2
This manual may contain certain safety advisories. Your watch should be used in
accordance with these advisories at all times to ensure optimal enjoyment of your
watch and to prevent injury to yourself, other persons and/or damage to property.
Understand the meaning of the following symbols and read pages from 36 to
47.
■ Safety advisories are categorized and depicted in this manual as follows:
DANGER Highly likely to cause death or serious injury
WARNING Can cause serious injury or death
CAUTION Can or will cause minor or moderate injury or damage
Safety precautions — IMPORTANT

3
■ 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.

4
Before using this watch
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.
Protective stickers
Be sure to remove any stickers covering the metal parts (back cover, band, clasp)
or glass of the watch before use. 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.
How to use a specially designed crown/push button
Some models are equipped with a specially designed crown and/or push button to
prevent accidental operation.

5
Screw down crown and screw down push button
Unlock the crown prior to operate your watch.
Unlock Lock
Screw down
crown
Rotate the crown
counterclockwise until
it releases from the case.
Push the crown in to the
case. With gentle pressure
towards the case, rotate the
crown clockwise to secure it
to the case. Be sure to tighten
firmly.
Screw down
push button
Rotate the locking
screw counterclockwise,
and loosen until it
stops.
Rotate the locking screw
clockwise, and tighten firmly.
Recessed buttons
Press the button with a narrow-tipped object such
as a wooden toothpick.
• Metal objects may cause marring or scratching of
the button.
Before using this watch

6
Table of contents
Features.......................................................................................................8
Component identification .....................................................................10
Recharging your watch ..........................................................................12
Crown position and operation..............................................................18
Adjusting the time...................................................................................19
Adjusting the calendar...........................................................................21
Month and leap year indications..........................................................24
Adjusting the time difference ...............................................................26
Checking the reference position ..........................................................28
Performing the “all reset” procedure...................................................31

7
Table of contents
Handling the Watch.................................................................................34
Timekeeping accuracy............................................................................35
Eco-Drive watch handling precautions...............................................36
Water resistance ......................................................................................40
Precautionary items and usage limitations........................................42
Specifications ...........................................................................................48
Contact us .............................................................................................50

8
Features
Eco-drive
• Eco-drive is a unique technology of Citizen that uses light to generate power,
thus eliminating the need for periodic battery replacement.
12 o'clock midnight sharp calendar update function
• The calendar updates as the clock strikes midnight (0:00:00).
Annual time accuracy: ±5 seconds
• This high-precision watch realized an annual time difference of about ±5
seconds max.
Time difference correction function
• When you travel overseas, you can easily adjust your watch to the local time
without having to stop the watch.
Perpetual calendar
• No need for date correction at the end of each month.
The leap year is also updated automatically. (until February 28th, 2100)

9
JIS1 antimagnetic performance
• The functionality of the watch will be maintained even when the watch is
brought as close as up to 5 cm of the devices that emit magnetic fields in daily
life.
For details, see our website support information.
Shock detection function
• This function prevents the second, minute, and hour hands from becoming
misaligned should the watch be subjected to shock.
Automatic hand position adjustment function
• The hand positions are checked at regular intervals. Any misalignment detected
will be corrected immediately to keep accurate time.
Power reserve indication function
-
The hand shows the current charge level.
• A010: This watch is equipped with a hand to indicate the charge level. Use the
hand to check the current charge level.
• A060: By pressing the button, the second hand indicates the current charge
level.
Features