IWC Schaffhausen 3891 Instrucciones De Operación página 28

If your watch has a strap made of leather, textile or rubber with a leather or textile inlay, make sure that
the high-quality 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.
Although the parts in this watch are all manufactured from top-quality materials, a number of compo-
nents are subject to natural wear and tear. It is particularly important to ensure that the points at
which wear occurs are always well lubricated and that oil contaminated by metal abrasion is regularly
removed. For this reason, we recommend that you have your watch serviced approximately every
5 years. Please contact an authorized IWC Official Agent.
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NOTE
SERVICING YOUR
PILOT'S WATCH CHRONOGR APH
PILOT'S WATCH CHRONOGR APH