iwc 3717 Mode D'emploi page 29

Service for your Pilot's Watch/Spitfire
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Chrono-Automatic
All the parts in this watch are manufactured from top-
quality materials. Nevertheless, a number of parts are
subject to natural wear and tear. It is particularly impor-
tant to ensure that points at which wear occurs are
always optimally lubricated and that contamination of
the oil caused by metal-to-metal abrasion is regularly
removed. This is why we recommend that you have a
maintenance service carried out on your watch about
every five years. Please contact an approved IWC
Official Agent or send your watch directly to the IWC
Customer Service Department in Schaffhausen.
Status August 2005.
Technical specifications subject to change.