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Calibres 3888, 3890 (fig. XXIV)
Correcting the day: pull the crown out to position 2, turn the
crown backwards, then push the crown back to position 1.
Note:
in the quick mode, the date is changed in two steps. Check
that the date hand (calibre 3888) or day disc plate (calibre 3890)
is centred after the change has been made.
Date-setting is not recommended between 10 pm and 2 am.
During this time lapse and under certain conditions, a safety ele
-
ment can prevent these corrective functions from working.
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 or up to 7 days for cali
-
bres 3888 and 3890.
• 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 3313).
Self-winding chronograph with date
Operating instructions2
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