Patek Philippe CH 29-535 PS Mode D'emploi page 16

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Caution:
This prevents lateral pressure on the winding stem. Please
use your fingernails to pull the crown out and turn it gently
between two fingertips.
Never pull out the crown in a humid environment or under-
water: the water resistance of your watch is assured only
when the crown is pushed home.
chronograph
The chronograph is started and stopped with con-
secutive actuations of the button at 2 o'clock. It is
reset (set to zero) with the button at 4 o'clock.
Chronograph hand
Running
subsidiary seconds
Hour hand
Minute hand
Chronograph
30-minute counter
Please set the time before you put the watch on.
Chronograph
start/stop button
1 2
Position 1:
Winding
Position 2:
Setting the time
and stopping seconds
Chronograph
reset button