IWC Schaffhausen DA VINCI PERPETURAL CALENDAR DIGITAL DATE-MONTH Instrucciones De Manejo página 27

In order to ensure its perfect function, your watch must be tested by an
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IWC service point at least once a year. Testing must also be performed after
exposure to exceptional stresses. If these tests are not performed as
stipulated, or if the watch is opened by unauthorized persons, IWC will
decline any warranty or liability claims.
Recommendation: Your authorized IWC Official Agent must carry out a
water-resistance test whenever your IWC watch is opened and serviced.
Service for your Da Vinci Perpetual Calendar
Digital Date-Month
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 important 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 January 2009.
Technical specifications subject to change.