Caliber 503
Position A
a
b
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1
Position C
Position B
2
Operating instructions
Adjusting chronograph hand zero
positions
Example :
One or more chronograph hands are not
in the correct zero position, and need to
be adjusted (e.g. after a battery change).
Pull the crown out to position C
1
(the 3 chronograph hands will return
to their zero position, correct or
incorrect).
Simultaneously press and hold push-
2
buttons a and b for at least 2 seconds
(the centre seconds timer hand will
turn through 360°
mode activated).
correction
15