32
GMT, Worldtimer, GMT Chronograph
Operating instructions2
Occasional winding: if the watch has not been worn for 44 hours
(calibre 2628), 60 hours (calibres 8605, 8615, 8906, 8938, 8939,
9605 and 9615) or 55 hours (calibre 3603) or more, wind it up with
the crown in position 1.
2. Setting the time zone and correcting the date: pull the crown
out to position 2. Turn the crown forwards or backwards, and only
the hour hand will move forwards or backwards by 1-hour intervals.
By passing the hour hand over midnight, the date can be changed
forwards or backwards. Push the crown back to position 1.
3. Time setting: 24 hours – hours – minutes – seconds. Pull the
crown to position 3. The seconds hand will stop. Turn the crown
forwards or backwards. Synchronise the seconds by pushing the
crown back to position 1 to coincide with a given time signal.
SECOND ‘GMT’ TIME ZONE
(calibres 2628, 8605, 8615, 8906, 3603, 9605, 9615)
Thanks to the ‘24-hour’ hand with its triangular point, travellers can
read the time back home at a glance on the 24-hour scale on the dial.
Synchronisation of the hour hand with the ‘24-hour’ hand:
Pull the crown out to position 2 and turn it to synchronise the hour
hand with the time indicated by the ‘24-hour’ hand on the 24-hour
scale. Make sure you set the hour hand in the correct half of the day!
After synchronising the hour hand with the ‘24-hour’ hand, you must
set the time on your watch.
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