INSTRUCTIONS
WINDING CROWN
The winding crown is used to set the time, stop
the movement, and correct the date. For Aquanaut
models equipped with a screw-down crown, it must
be completely unscrewed before you can perform
any adjustments.
BATTERY
A battery can leak and damage the watch. If your
watch stops running, you should take it to an
Authorized Patek Philippe Retailer immediately
where its battery will be replaced and its water
resistance verified. Quartz watches also need to be
serviced every three to five years. A battery change
is not an overall service.
Caliber E 23-250 S C movements indicate the end
of the battery life when the second hand advances
in increments of four seconds instead of one second.
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