iwc Fliegeruhr Worldtime Mode D'emploi page 22

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t h e t e c h n i c a l r e F i n e m e n t s o F t h e
p i l o t ' s W a t c h W o r l d t i m e r
Your IWC watch shows you the time in hours, minutes and sec-
onds, together with the date. A rotating 24-hour ring shows you
the current UTC time as well as the current time of day in any
desired time zone, provided that its time differs from UTC time
by a multiple of a whole hour. As you pass through a time zone,
you can adjust the hour hand of your watch in steps without stop-
ping the mechanical movement (Time Zone Corrector = TZC).
The date change is also taken into account in this adjustment.
The mech anical movement with automatic winding has 31 jewels
(synthetic rubies) and a power reserve of approximately 42 hours
when fully wound. Your Pilot's Watch Worldtimer is protected by a
sapphire glass of hardness grade 9 on Mohs' scale. Your watch is
water-resistant 6 bar. The soft-iron inner case provides protection
against magnetic fields. To ensure that this extraordinary watch
continues to perform faultlessly in the future, it is essential to
observe a few important operating instructions.
p i l o t ' s W a t c h W o r l d t i m e r