13
CHRONOGRAPH MODELS
1/5-seconds Chronograph Models
with Retrograde Minutes Counter and 24-Hour Hand
Small seconds hand
24-hour hand
A: Start/Stop
B: Intermediate time/
Reset to zero
Chronograph
hand (1/5-second
precision)
Chronograph
minute hand
Setting the day and time:
Positions of the crown:
Position 1 - Normal position.
Crown pushed against the case.
Position 2 - Setting the DATE*:
Rotate crown clockwise.
Position 3 - Setting the TIME:
Rotate crown in either direction.
*NOTE: If the DATE setting is performed between 9:00
pm and 3:00 am when automatic calendar changes are
in progress, the date may not change automatically the
following day.
Operating the chronograph:
The chronograph function on this watch allows you to time
on event lasting up to 20 minutes to the nearest fifth of a
second. Use buttons
A
and
B
to operate the chonograph.
IMPORTANT: The crown must be in position 1 and the hands
of the chronograph must be at 60 (zero) before starting the
chronograph. Do not use the chronograph if the crown is
in position 2 or 3. If necessary, Press button
B
to reset the
hands of the chronograph to zero before using it.
Simple chronograph functions:
Measuring a single event without interruptions:
1. Press button
A
to start the chronograph.
2. Press button
A
a second time to stop the chronograph.
3. Press button
B
to reset the chronograph to zero.
Intermediate time functions:
Clocking split times during a race:
1. Press button
A
to start the chronograph.
2. Press button
B
to temporarily stop the chronograph.
3. Read the intermediate time.
4. Press button
B
to restart the chronograph: the hands catch
up with the ongoing event.
5. To read a second intermediate time, press button
B
again.
Repeat steps 2 to 4 to measure further intermediate times.
6. Press button
A
to stop the chronograph.
7. Read final time display.
8. Press button
B
to reset the chronograph to zero.
NOTE: The chronograph’s 1/5-seconds hand will stop after
10 minutes while the internal mechanism continues
the calculation.
Synchronization of the chronograph hands:
After a battery change or in case of error, it may be necessary
to adjust the 1/5-second, seconds, minute and hour hands to
correctly align their respective positions to zero.
NOTE: It is important to follow the steps in the prescribed
order:
1. Pull the crown out to position 3.
2. Press button
B
and keep it down for 2 seconds, then
release.
3. Rotate the crown to move the chronograph minute hand
to zero position.
4. Press button
B
again and keep it down for 2 seconds,
then release.
5. Rotate the crown to bring the seconds hand to zero.
6. Press button
B
a third time and keep it down
for 2 seconds, then release.
7. Rotate the crown to bring the minute and
hour hands to zero.
8. If necessary, Press button
B
and keep it down for 2
seconds, then release to prepare the mechanism to adjust
the seconds hand of the chronograph.
9. When the chronograph hand setting is finished,
push the crown back to position 1.
Chronograph seconds hand
Chronograph 1/10 of second
counter hand
A: Start/Stop
B: Intermediate time /
Reset to zero
