Citizen 0S21 User manual
INSTRUCTION MANUAL FOR MIYOTA WATCH MOVEMENT
CALIBRE NO. 0S21
CHRONOGRAPH FUNCTION:
CENTER SECOND HAND CHRONOGRAPH 1/1 sec.
BATTERY: SR 27SW
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 click position.
2. Turn the crown to set hour and minute hands.
C) SETTING THE DATE
1. Pull the crown out to the 1st click position.
2. Turn the crown anticlockwise to set the date.
*
If the date is set between the hours of around 9:00 PM and 1:00 M, the date may not change on the following day
3. fter 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 maximum of 59 minutes
59 seconds.
Measuring time with the chronograph
1. The chronograph can be started and stopped each time button " " is pressed.
2. Pressing button "B" resets the chronograph and the chronograph second hand, chronograph minute hand, and
chronograph hour hand return to zero position.
UNIVERSAL MASTERPIECE BORN IN JAPAN
MADE IN JAPAN
METAL MOVEMENT
Chronograph second Button A
Normal position
1st click position
2nd click position
Button B
Date
Hour hand
Minute hand
Chronograph
minute hand
24 hour hand
E) CHRONOGRAPH RESET(INCL. AFTER REPLACING BATTERY)
This procedure should 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 " " to set the chronograph second hand to zero position. The chronograph hand can be
advanced rapidly by continuously pressing button " ".
3. Once the hand have been reset to zero position, push the crown back to the normal position.
* Do not push the crown to normal position while the chronograph second hand returns to zero position. It stops
on the way when the crown are returned to normal position and its position is recognized as zero position.
These specifications might be changed without prior notice.
"B" "B"
"A" "A"
"A"
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