Patek Philippe CH 28-520 Bedienungsanleitung Seite 22

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water resistance
Your watch is fitted with different types of seals
to protect the movement against the ingress of
dust and moisture and to prevent damage if it is
immersed in water. Nonetheless, we recommend
that you prevent direct contact with water if your
watch has a leather strap.
service
We recommend that you have your watch serviced
at least once every five years. For this purpose,
we suggest that you bring or send your watch
to an Authorized Patek Philippe Retailer or an
Authorized Service Center. This gives you the
assurance that your watch will be entrusted to
hands of a qualified Patek Philippe watchmaker
in Geneva or at one of our Authorized Service
Centers around the world.
The watchmaker will completely disassemble the
movement and then clean and inspect all parts
and lubricate them in the reassembly process.
All functions of the watch will also be tested in
detail and the escapement regulated if necessary.
Finally, its rate accuracy will be monitored and
precision-adjusted for a further period of two
weeks. The entire process may take several weeks
because each watch must undergo a complete
series of tests to fulfill the strict quality criteria
of Patek Philippe.
If you have any questions regarding the maintenance of your
watch or need the address of the Authorized Patek Philippe
Service Center nearest you, contact our International Customer
Service department in Geneva, or visit www.patek.com.