Watch functions:
The crown has 3 positions:
1. Normal position (wearing position): when the crown is posi
-
tioned against the case, the crown ensures that the watch is water-
resistant.
Occasional winding: if the watch has not been worn for 55 hours
or more, wind it up with the crown in position 1.
2. Correcting the date: pull the crown out to position 2, turn the
crown backwards, then push the crown back to position 1.
NB: the date cannot be corrected between 9 pm and 12.30 am.
3. Time setting: hours – minutes – seconds. Pull the crown out to
position 3. The seconds hand will stop. Turn the crown forwards or
backwards. Synchronise the seconds by pushing the crown back to
position 1 to coincide with a given time signal.
Chronograph functions:
• Pusher A: start – stop, start – stop, etc.
Timing to 1/8 of a second for up to 12 hours.
• Pusher B: reset (after a stop).
Note: the chronograph must always be stopped before the zero
resetting function is used. Never push the chronograph’s two pushers
(A and B) simultaneously.
CALIBRE 3612 (fig. XXI)
Self-winding split-seconds chronograph
Operating instructions2
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