Citizen 2502 User manual
ENGLISH
FRANÇAIS
ESPAÑOL
DEUTSCH
ITALIANO
PORTUGUÊS
中文（繁体字）
1
English
CONTENTS
A. BEFORE USING ..........................................................................................2
B. SPECIAL FEATURES OF YOUR WATCH .................................................2
C. SETTING THE WATCH ...............................................................................4
1. Setting the time ......................................................................................5
2. Setting the calendar ...............................................................................5
D. HOW TO USE REGISTER RING .................................................................6
E. NO DECOMPRESSION LIMITS TABLE .....................................................8
F. CARE OF YOUR WATCH .........................................................................10
G. BATTERY REPLACEMENT ......................................................................17
H. AFTER SALES SERVICE OF PROFESSIONAL DIVER’S WATCH ........19
I. SPECIFICATIONS .....................................................................................20
2
A. BEFORE USING
Confirm the caliber number of your watch by the stamp on its case back. This
instruction manual explains how to use calibers 2502, 5502, 5503, 5512, 6008
and 6018.
B. SPECIAL FEATURES OF YOUR WATCH
This instruction book is written for the 200m water resistant divers watch
(Caliber 2502, 5502, 5512, 6008, 6018) and 800m water resistant professional
diver’s watch (Caliber 5503).
*Example
2502-xxxx
Caliber number
[Case back]
English
3
These watches have the following special features.
1. The register ring which is very important for checking diving time, has the
added function that prevents it from being rotated in the counterclockwise
direction to make it much safer. A register ring that can not be turned in the
counterclockwise direction.
2. The screwlock type crown with double O-ring.
The crown is a screwlock type which uses a double O-ring type with 3 water
resistant packings to improve airtightness and water resistance.
3. The “No decompression limits table” imprinted on the wrist band (There are
some models without this table) to enable divers to dive safely.
The “No decompression limits table” is indicated on the wrist band to enable
divers to dive safely.
4. Helium gas insulation for professional divers watch (Caliber 5503).
The ability to withstand the pressures of saturated diving using helium gas has
been increased.
By using a strong hard screw type fixed glass ring, the watch is safe even on
the off chance that helium gas penetrates the seals.
* The specification of each caliber, can be found in section “I. Specifications”.
4
C. SETTING THE WATCH
According to the model, the crown maybe positioned differently from the
illustrations shown, however the operation is the same. So please use this
instruction booklet a corresponding way.
* The crown of this watch is of screwlock type and must first be turned
counterclockwise to loosen it.
* Do not operate the crown in water or while the watch is wet.
Crown
Crown Step 2
Crown Step 1
(Calendar Setting)
Date
Setting
Day
Setting
(Time Setting)
English
5
1. Setting the Time
a. To stop the second hand, wait until second hand is on “0” sec, then pull out
crown to position (2).
b. Turn the crown to set the minute/hour hands to the desired time.
c. To start the second hand, push the crown back to position (0).
2. Setting the Calendar
a. Pull out the crown to position (1).
b. Turn the crown clockwise until the desired day of the week appears.
Turn the crown counterclockwise until the desired date appears.
* Do not set the date and day between 9:00 PM and 4:00 AM otherwise the
date and day may not change properly.
After the time and calendar have been set, be sure to push the crown to the
position (0) and lock it by screwing.
6
D. HOW TO USE REGISTER RING
The register ring is a convenient way to keep track of diving time, permitting the
indication of the elapsed and remaining times.
* Turn the register ring counterclockwise, while pushing it. It is locked under
normal conditions to prevent free rotation, and can not be turned in the
reverse direction for safety reasons.
* Determination of elapsed time: Preset the mark on the register ring to the
minute hand, and the elapsed time can be shown by the register ring scale.
* Determination of remaining time: Preset the mark on the register ring to a
certain required time, and the remaining time can be read with the ring scale.
English
7
The register ring can be used for various other activities besides diving, for
example parking, walking, and keeping track of the remaining time before
departing or before meeting a friend, or however you like.
Elapsed time: shows that
10 minutes have passed
since 9:10
Remaining time: shows
that 20 minutes remain
until 9:25
Elapsed time Remaining time
8
E. NO DECOMPRESSION LIMITS TABLE
The range of time when it is unnecessary to stop to decompress while
surfacing from a dive is determined by the depth and time of the dive.
These values are referred to as “No Decompression Limits.” Use these as
estimates when diving.
This manual suits for next models
4
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