iwc PORTUGIESER CHRONO-AUTOMATIC Mode D'emploi page 9

Functions of the crown
0 1
Normal position
In the normal position (Position 0), you can also wind
the automatic movement by hand. The movement
will start after only a few revolutions of the crown. How-
ever, it is better to wind the movement fully with about
40 revolutions of the crown, as maximum accuracy and
a power reserve of about 44 hours will then be assured,
even after taking off the watch. The crown must always
be in Position 0 when wearing the watch.
Setting the time
Pull the crown to Position 1. This will stop the movement.
To ensure that the set time is accurate to the second,
0 Normal position
1 Time setting
it is best to stop the movement as the seconds hand
reaches 60. You can now position the minute hand
exactly on the minute line. To start the seconds hand,
push the crown back to Position 0.
Operating the chronograph
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 meas-
urement.
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 o'clock on the
measurement indicator. This hand makes two complete
revolutions in one hour.
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