Citizen 0S20 User manual

CHRONOGRAPH FUNCTION: CENTER CHRONOGRAPH SECOND HAND 1/1 sec.

Timing up to 59 minutes 59 seconds.

A) DISPLAYS AND BUTTONS

B) SETTING THE TIME

C) SETTING THE DATE

D) USING THE CHRONOGRAPH

E) CHRONOGRAPH RESET (INCL. AFTER REPLACING BATTERY)

A) DISPLAYS AND BUTTONS

B) SETTING THE TIME

1. Pull the crown out to the 2nd position.

2. Turn the crown to set hour and minute hands.

3. When the crown is pushed back to the normal position, small second hand begins to run.

Cal. 0S20 Instruction manual

Chronograph

second hand

Hour hand

Chronograph

minute hand

Button A

24 hour hand

1st position

2nd position

Nomal crown position

Calendar

Button B

Small Second

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C) SETTING THE DATE

1. Pull the crown out to the 1st position.

2. Turn the crown counter-clockwise to set 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. crown back to the normal position.

3. After the date has been set, push the crown back to the normal position.

D) USING THE CHRONOGRAPH

This chronograph is able to measure and display time in 1/1 second united up to

maxinum of 59 minutes 59 seconds.

The chronograph second hand keeps continuously for

59 minutes 59 seconds after starting. Measuring time with the chronograph

Measuring time with the chronograph

1. The chronograph can be started and stopped each time button "A" is pressed.

2. Pressing button "B" resets the chronograph and the chronograph second hand and

chronograph minute hand return to zero position.

RESET

TIME

MEASUREMENT

STOP

"A"

"B"

"A"

"B"

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E) CHRONOGRAPH RESET (INCL. AFTER REPLACING BATTERY)

This procedure shoud be performed when the chronograph second hand does not return to

zero position after the chronograph has been reset,

and including after the battery has been replaced.

1. Pull the crown out to the 2nd position.

2. Press button "A" to set the chronograph second hand to the zero position.

The chronograph hand can be advanced rapidly by continuously pressing button "A".

3. Once the hand have been zeroed, return the crown to the normal position.

* Do not push crown to normal position while the chronograph second hand returns to

zero position.

It stops on the way when crown are returned to normal position and its position is

recognizedas zero position.

These specifications might be changed without prior notice.

3/3

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