iwc IW3950 Operating Instructions Manual page 29

— 2 9 —
After moving the rotating bezel, please ensure that the 24-hour
display and the date are set correctly – especially if you cross the
International Date Line during your journey.
London with normal time London with summer time
S E T T I N G T H E D A T E
If a month has fewer than 31 days, you will need to set the date
manually to the first day of the following month. To do so, turn
the rotating bezel one full turn clockwise, until the desired time
zone is once again at "12 o'clock" (above the triangle on the dial).
As the hour hand passes midnight, the date is advanced to the
next day.
P I L O T ' S W A T C H T I M E Z O N E R C H R O N O G R A P H