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13-1/2 LINGE, 3 EYES CHRONOGRAPH WITH
1. BASIC SPECIFICATIONS
(1) Cal. No.
CALIBRE
Ligne
Size*mm
Date
Total height
Battery life
Battery
(* 60 minutes chronograph operation per day)
(2) Time standard
Type of quartz : Tuning fork type quartz crystal
Frequency
: 32,768Hz
Accuracy
: +/-20 s/month worn under normal circumstances
(3) Balanceable weight of hand
Minute hand Max. 0.4 μN.m
Center Chrono Second hand Max. 0.11 μN.m
Other small hands Max. 0.02 μN.m
(4) Function
Chronograph 1/1 sec. basis (Up to 59 min. 59 sec.)
Powercell Saving Reset Mechanism(PSRM)
Over-loading Compensation Device(OLCD)
Digital Frequency Control(DFC) for time adjustment
Chrono
Minute
Small
Second
Small Hands
Height
750(～700)μm
0S20
MOVEMENT SPECIFICATIONS
CAL.0S2A
ANALOGUE QUARTZ, 0 JEWEL
BY CITIZEN WATCH CO., LTD. JAPAN
MANUFACTURED IN JAPAN
SILVER OXIDE SR927W or equivalent
0S2A
24H
0S20
1200(～1150)μm
0S20
HIGH HAND
*TO CONFIRM WITH MOV'T DRAWING ATTACHED
0S2A
13-1/2
Φ30.80mm
O
5.10mm
Approx. 5 years*
Eye position of 0S2A is the same as 0S20.
Center Hands
Height
350(～300)μm
380(～330)μm
350(～300)μm
380(～330)μm
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Summary of Contents for Citizen 0S2A
- Page 1 (4) Function Chronograph 1/1 sec. basis (Up to 59 min. 59 sec.) Powercell Saving Reset Mechanism(PSRM) Over-loading Compensation Device(OLCD) Digital Frequency Control(DFC) for time adjustment 0S2A Eye position of 0S2A is the same as 0S20. Chrono Minute 0S20 Small Second...
- Page 2 The unit(gate) time of measurement must be set at "10 sec." or integer fold value of 10 sec. owing to the DFC system, and the measurement must be performed in the form of complete watch. * Marking on movement JAPAN MIYOTA CO. 0S2A NO JEWELS * Typical clearance Mov't - Caseback...
- Page 3 4. INSTRUCTION MANUAL A) DISPLAYS AND BUTTONS B) SETTING THE TIME 1. Pull the crown out to 2nd Click Position. 2. Turn the crown to set the hour and minute hands. C) SETTING THE DATE * If the date is set between the hours of around 9:00 PM and 1:00 AM, the date may not change on the following day.
- Page 4 E) CHRONOGRAPH RESET (INCL. AFTER REPLACING BATTERY) This procedure should be performed when the chronograph second hand do not return to the 0 second position after the chronograph has been reset, and including after the battery has been replaced. 1. Pull the crown to the 2nd Click Position. 2.