INSTRUCTION MANUAL FOR MIYOTA WATCH MOVEMENT
CALIBER NO. 0S25
CHRONOGRAPH FUNCTION : 1/20 SEC SMALL HAND CHRONOGRAPH
BATTERY : SR927W
A) DISPLAYS AND BUTTONS
B) SETTING THE TIME
C) SETTING THE DATE
D) USING THE STOPWATCH
E) CHRONOGRAPH RESET ( INC. AFTER REPLACING BATTERY )
A) DISPLAYS AND BUTTONS
Hour hand
Chronograph
minute hand
second + 1/20 second
chronograph hand
B) SETTING THE TIME
1. Pull the crown out to the 2nd Click Position so that the second hand stops at (0) position.
2. Turn the crown to set the hour and minute hands.
3. When the crown is pushed back to the normal position in synchronization with a time signal,
small second hand begins to run.
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 AM, the date may
not change on the following day.
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 1/20 second united up to maximum of 59min 59sec.
The retrograde chronograph 1/20(1/1) second hand keeps continuously for 30 seconds after starting,
and then stops at ZERO position.
Measuring time with the chronograph
Press button "B" to change the watch to the chronograph mode.
The second hand stops at the ZERO second position, and changes to the chronograph 1/20(1/1) second hand.
1. The chronograph can be started and stopped each time button "A" is pressed.
2. Pressing button "B" resets the chronograph and all hands return to their 0 positions.
RESET
E) CHRONOGRAPH RESET (INCL. AFTER REPLACING BATTERY)
This procedure should be performed when the chronograph second hand does not return to the "ZERO"
second position after the chronograph has been reset, and including after the battery has been replaced.
1. Pull the crown out to the 2nd Click Position.
2. Press button "A" to set the chronograph second hand to the 0 position.
3. Press button "B" to set the chronograph 1/20 second hand to ZERO position.
4. The chronograph hands can be advanced rapidly by continuously pressing button "A" or "B".
5. Once the hands have been zeroed, reset the time and return the crown to its normal position.
* Do not return crown to normal position while chronograph second hand return to 12:00 (ZERO) position.
Hand stops on the way when crown are returned to normal position and these
positions are recognized as 12:00 (ZERO) position.
TIMING UP TO 59 minutes 59 seconds
Chronograph
second hand
"A"
TIME MEASUREMENT
Button A
minute hand
24-hour hand
2nd Click Position
1st Click Position
Normal crown
Normal crown position
position
Button B B B B
Calendar
"B"
"A"
STOP
"A"
"B"