iwc 3717 Instrucciones De Manejo página 25

Operating the chronograph
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Start: Start the chronograph by pressing the start-stop
button.
Stop: Stop the chronograph by pressing the start-stop
button again.
Resetting: Press the reset button. This will cause all the
chronograph hands to fly back to the zero position.
Aggregate time recording: You can add the stop times
together by pressing the start-stop button again, instead
of the reset button, after taking the first measurement.
Seconds counter: The graduation for the central
seconds stop hand is situated at the edge of the dial.
Minutes counter: The 30-minute graduation with a slow
jumping hand is situated at 12.00 on the measurement
indicator. This hand makes two complete revolutions in
one hour.
Hours counter: The 12-hour graduation with short lines
for the 1 / -hour indication with a continuous hand is
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situated at 6.00 on the measurement indicator.