IWC Schaffhausen PILOT'S WATCH TIMEZONER SPITFIRE Mode D'emploi page 26

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UTC (UNIVERSAL TIME COORDINATED)
Regardless of the local time, UTC is used throughout the world as a uniform reference point
for flight schedules. UTC is the time basis for worldwide operational control by the majority
of airlines and for air traffic control.
TZC (TIME ZONE CORRECTOR)
Local times throughout the world are, for the most part, divided into time zones with a time difference
of exactly one hour between each zone. The function of the TZC (Time Zone Corrector) permits rapid
adjustment of the time display in one-hour steps by moving the rotating bezel.
READING THE 24 - HOUR DISPL AY
Your Pilot's Watch Timezoner Spitfire shows the current UTC or the current local time in another time
zone via the 24-hour display and makes differentiation between day and night possible.
PILOT'S WATCH TIMEZONER SPITFIRE