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Chronograph Stopwatch YM91
Time and Date Setting
1. Pull crown out to position 2.
2. Turn the crown to set desired time.
3. Return crown to position 1.
Using the Stopwatch
PressAtostart/stopthechronograph
PressBtoreset
Stopwatch Hand Adjustment
1. Pull crown out to position 2.
2. Press left pusher for 2 seconds to turn stopwatch minute hand fully around and be able to set in correct
position. Press right pusher repeatedly to set it to “0” position.
3. Press left pusher for 2 seconds to fully turn stopwatch 1/5-second hand and be able to set in correct position.
Press right pusher repeatedly to set it to “0” position.
4. Return crown to position 1.
HOURHAND
CHRONOGRAPH
MINUTEHAND
MINUTECOUNTER
MINUTEHAND
DATE
CHRONOGRAPH
SECONDHAND
CHRONOGRAPH
/SECONDHAND
SECONDHAND
SECONDHAND
MINUTEHAND
DATE
COUNTDOWNAND
CHRONOGRAPH
MINUTEHAND
1
2
B
A
B
A
1 2 3
Chronograph Cal 8171/202
Time Setting
1. Pull crown out to position 3.
2. Turn crown to set the desired time.
3. Return crown to position 1.
Date Setting
1. Pull crown out to position 2.
2. Turn crown counter-clockwise until the correct date is shown in the date window.
3. Return crown to position 1.
Chronograph Operation
1. Press A to start/stop the chronograph.
2. Press B to use split time/reset the chronograph.
Calibration
1. To calibrate movement after battery exchange, pull crown out to position 2.
2. To reset minutes, press B.
3. To reset seconds, press A.
4. Return crown to position 1.
Chronograph 8270B
Time Setting
Pullcrownouttoposition
Turnthecrowncounter-clockwiseandsetthedateforthepreviousday
Pullcrownouttoposition
Turnthecrowncounter-clockwisetoadvancethetimeandcontinueuntilthedaychangesto
thepresentday
Settocorrecttime
Returncrowntoposition
Countdown Timer and Chronograph Setting
PressandholdBforsecondBeepindicatessettingmode
PressBtoadjustthecountdownlengthminutemaximum
PressAtostartthecountdowntimerTheCentralHandcountsdowntheminutesandthe
hoursub-eyecountsdownthesecondsWhenthecountdowntimerreacheszerothe
chronographisactivated
PressAtostoporpausechronograph
PressBtoresetthecountdowntimerandchronograph
123
COUNTDOWNSECONDAND
CHRONOGRAPHHOURS
COUNTDOWN
INDICATORRING
HOURHAND
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