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Using the chronograph (OS60)
This chronograph is able to measure and display time in 1/20 second timing up to
maximum of 11 hours 59 minutes 59 seconds.
Measuring time with the chronograph
1. Press button “B” to change the watch to the chronograph mode. The second
hand stops at zero position, and changes to the chronograph 1/20 second hand.
2. The chronograph can be started and stopped each time button “A” is pressed. The
chronograph 1/20 second hand stops at zero position 30 seconds after starting.
When button “A” is pressed to stop the chronograph, the chronograph 1/20
second hand advances rapidly to display the measured time.
3. Pressing button “B” resets the chronograph and all chronograph hands return to
zero position.
" A "
RESET
" A "
TIME MEASUREMENT
STOP
" A "
" B "
" B "
E) Chronograph reset (incl. after replacing battery) OS10 / OS30
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 out the crown 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 has been zeroed, return the crown to the normal position.
Attention:
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 is
returned to normal position and its position is recognized as zero position.
