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Operating instructions
2
Self-winding GMT & GMT Chronograph
People travelling
East
, for example from London to Hong kong, should
pull the crown out to position 2 and move the hour hand forwards
(in this case by 8 hours). The table above can be used to calculate any
time difference.
People travelling
West
, for example from London to New York, should
pull the crown out to position 2 and move the hour hand backwards
(in this case by 5 hours). The table above can be used to calculate any
time difference.
In both cases, the ’24-hour’ hand allows travellers to read the time
back home – London, in our example – at a glance, using the 24-hour
scale on the dial. The second time zone – in this case Hong kong or
New York – is read off the dial in the usual way. Each time the hour
hand crosses midnight, the date jumps forwards or backwards, depen-
ding on whether the hour hand is moved forwards or backwards.
The crown has 3 positions:
1.
Normal position (wearing position):
when the crown is positioned
against the case, the crown ensures that the watch is water-resistant.
Occasional winding:
if the watch has not been worn for 44
hours (calibre 2628), 60 hours (calibres 8605 and 8615) or 55 hours
(calibre 3603) or more, wind it up with the crown in position 1.
CALIbRE 3603
(fig. XXI)
CALIbRES 2628, 8605, 8615
(fig. VII)
j
Self-winding GMT & GMT Chronograph
Operating instructions
2
2.
Setting the time zone and correcting the date:
pull the
crown out to position 2. Turn the crown forwards or backwards, and
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.
Synchronisation of the hour hand and the ’24-hour’ hand
(calibres 2628, 8605, 8615 - fig.VII, calibre 3603 - fig.XXI)
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 in the centre of the dial. 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 local time on your watch. Push the crown back to
position 1.
3.
Time setting:
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 TIME ZONE
(calibres 2628, 8605, 8615 - fig.VII, calibre 3603 - fig.XXI)
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 at the
centre of the dial.
Chronograph functions (calibre 3603 - fig. XX)
•
Pusher A:
start – stop, start – stop, etc.
Timing to within 1/8 of a second for up to 12 hours.
•
Pusher b:
reset (after stopping).
Note:
never push the chronograph’s two pushers (A and B) simulta-
neously (calibre 3603).
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