iwc IW3921, Operating Instructions Manual

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D A V I N C I P E R P E T U A L C A L E N D A R C H R O N O G R A P H
USING THE CHRONOGRAPH
Start:
To start the chronograph, press
the start/stop push­button.
Flyback: You can start recording a
new time immediately, even when
the chronograph is running. Simply
depress the reset/flyback push­but­
ton fully, as far as it will go. All three
chronograph hands are reset to zero,
and a new measurement is started as
soon as the push­button is released.
Stop:
To stop the running chronograph,
press the start/stop push­button.
Reset:
Depress the reset/flyback push­
button fully, as far as it will go. This
will reset all the chronograph hands
to zero.