Omega SA 1680 Watch User Manual


 
14
CALIBRE 1270 (continued)
Pusher B: reset (after stopping).
Note:
Though the chronograph stops after 11 hours in order
to conserve energy, it cannot be reset without pressing
pusher A beforehand.
CALIBRE 5200
The hour, minute, second and chronograph functions are
powered by 4 motors using conventional quartz techno-
logy.
The crown has three positions:
Watch functions:
1. Normal position, (wearing position): when pushed into
the case, the crown guarantees the watch’s water
resistance.
2. Time zone setting: resetting the 30-minute totaliser.
3. Time setting: pull the crown out to position 3.
The seconds hand will stop. Turn the crown forwards
or backwards. Synchronise the seconds by pushing
the crown into position 1 to coincide with a given
time signal; resetting the 1/10th of a second and 60-
second totalisers.
Chronograph functions:
Allows the time to be read
off to 1/10th of a second up
to 30 minutes in the simple,
addition or split modes
(reading split times).
Simple timing function
(crown in position 1):
Pusher A: Start – stop (read time)
Pusher B: Reset
Quartz chronograph
520
Omega