OPERATING INSTRUCTIONS
Analog Chronographs 1/10 Second – Type B
Minute hand
Measuring split times:
1. Press pushbutton A to start chronograph.
1/10-of-a-second
chronograph hand
Pushbutton A
60
05
55
00
50
Hour hand
05
3. Press pushbutton B to restart; chronograph hands
will advance rapidly to catch up with ongoing event.
05
00
60
45
Chronograph
minute hand
Crown
45
5ATM
30
60
1
15
35
20
2
3
20
40
40
Seconds hands
2. Press pushbutton B to momentarily stop chronograph
and read an intermediate or split time.
5. Press pushbutton A to stop the chronograph timing.
Date display
25
Pushbutton B
Chronograph seconds hand
Setting the date and the time:
1. Make sure that the chronograph is not running, and that all
chronograph hands are at their zero position, before setting
the time or date.
2. Pull crown out to position 2; watch will continue to run.
3. Turn crown clockwise to set the Date.
4. As soon as the Seconds hand reaches 12 o’clock, pull crown
out to position 3; watch will stop.
5. Turn crown in either direction to move Hour and Minute hands
to correct time, taking AM/PM into account.
6. Push crown back into position 1 in accordance with a time
signal, from a news radio station, for example; watch will
restart, now set the exact second.
• Do not press any button when crown is pulled out to position 2 or 3.
• IMPORTANT: Never correct the Date when the time is between
9pm and 3am and automatic calendar changes are in progress;
doing so could damage the mechanism. If you must correct the
Date during these hours, first reset the Hour and Minute hands
to a time outside these hours, then correct the Date.
Simple chronograph functions:
To measure the duration of a single, non-stop event
(up to 60 minutes):
1. Press pushbutton A to start chronograph.
2. Press pushbutton A a second time to stop chronograph
3. Press pushbutton B to reset chronograph hands to zero.
Measuring cumulative times:
1. Press pushbutton A to start chronograph.
2. Press pushbutton A to stop chronograph timing.
3. Press pushbutton A to restart.
4. Repeat steps 2 and 3 as many times as desired.
5. When through timing, press button B to reset chronograph
hands to zero.
4. Repeat steps 2 and 3 to take as many intermediate
or split times as desired.
6. Press pushbutton B to reset chronograph hands
to zero.