iwc 5046 Mode D'emploi page 22

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If your watch has a strap made of leather, textile or rubber with a leather or textile
inlay, make sure that the high­quality strap does not come into contact with water,
oily substances, solvents, cleaning agents or cosmetic products. This way you can
prevent discoloration and premature ageing of the material.
H O W O F T E N S H O U L D M Y W A T C H B E S E R V I C E D ?
The optimal service cycle for your IWC timepiece is exclusive to your watch and
unique lifestyle. The necessary interval between services will be determined by your
individual wearing habits; frequency of wear, your environment/s, and the intensity of
physical activity you engage in. Your fine mechanical timepiece is an extension of
yourself and will run well for as long and smoothly as it is treated. Therefore, we
simply recommend you to continue wearing your watch for as long as pleases you
and to only entrust it for a service if you notice a deviation from the regular
performance, function or timekeeping. It will then be our pleasure to reinstate the
premium performance with the suitable service.
P o r t u g i e s e r t o u r b i l l o n M y s t è r e r é t r o g r a d e