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Chronograph 2 Eye
(Model 8371B and Ronda Z50)
8371B
Setting the Time
1 . Unscrew crown (if necessary) and pull out to position III (watch stops) .
2 . Turn crown until you reach the correct time .
3 . Push and screw (if necessary) crown back to position I .
Setting the Date
1 . Unscrew crown (if necessary) and pull out to position II (the watch
continues to run) .
2 . Turn crown until yesterday's date appears .
3 . Pull crown out to position III (the watch stops) .
4 . Turn crown until correct date appears .
5 . Continue to turn crown until correct time appears .
6 . Push and screw (if necessary) crown back to position I .
All manuals and user guides at all-guides.com
Z50
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Chronograph
•
The minute counter measures 30 minutes per rotation .
•
The center stop-second measures 60 seconds per rotation .
Please note:
Before using the chronograph functions, please ensure that:
- the crown is in position I (= normal position).
- the two chronograph hands are precisely at zero position following
activation of pusher B. Should this not be the case, the positions of
the hands must be adjusted (see the chapter entitled "Adjusting the
chronograph hands to zero position").
Chronograph: Basic function
(Start / Stop / Reset)
1 . Press pusher A to start the center stop-second hand .
2 . To stop the timing, press pusher A again .
3 . To reset the two chronograph hands to zero positioning, press pusher B .
Chronograph: Intermediate or interval timing
1 . Press pusher A to start the center stop-second hand .
2 . Press pusher B to stop the chronograph .
Note: Although the chronograph hands have stopped, the movement
continues to record the current timing.
3 . Make up the measured time:
Press pusher B again and the 2 chronograph hands are quickly advanced
to the ongoing measured time . To continue to record intervals, continue to
push pusher B .
4 . Press pusher A to stop and the final time is displayed .
5 . To reset the two chronograph hands to zero positioning, press pusher B .
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