30
CHRONOGRAPH
Time Setting
1. Pull crown out to
position 3 (the
watch stops).
2. Turn crown to set the
desired time.
3. Return crown to
position 1.
NOTE: In order to set
the time to the exact
second, the crown
must be pulled out
when the second hand
is in position “60.” Once
the hour and minute
hands have been set,
the crown must be returned to position 1.
Date Setting
1. Pull crown out to position 2 (the watch continues to run).
2. Turn crown until the correct date is shown in the date window.
3. Return crown to position 1.
NOTE: During the date changing phase between 9pm and 12pm, the
date must be set to the date of the following day.
Chronograph: Basic
1. Start: press A.
2. Stop: press A.
3. Reset: press B (the three chronograph hands will be reset to their
zero positions).
Chronograph: Accumulated timing
1. Start: press A (start timing).
2. Stop: press A (e.g. 15 min 5 sec).
3. Restart: press A (timing is resumed).
4. Stop: press A (e.g. 13 min 5 sec) = 28 min 10 sec (the accumulated
measured time is shown).
A
B
1 2 3
CHRONOGRAPH
SECOND HAND
CHRONOGRAPH
HOUR HAND
CHRONOGRAPH
MINUTE HAND
SECOND
HAND
A
B
1 2 3
CHRONOGRAPH
MINUTE HAND
CHRONOGRAPH
HOUR HAND
SECOND
HAND
5030D / OS10
