IWC Schaffhausen Ingenieur Double Chronograph Titan Mode D'emploi page 21

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W I n D I n g p o s I T I o n
With the crown in the winding position (0), you can also wind the automatic movement
by hand. A few revolutions of the crown are enough to start the movement. However, it
is better to wind the watch by turning the crown through approximately 20 revolutions
as this will ensure maximum accuracy.
D a T e a n D D a y s e T T I n g
If a month has fewer than 31 days, you will need to set the date manually to the first
day of the following month. Release the screw-in crown and pull it out to position 1.
You can now set the date by turning the crown to the right, and the day by turning it
to the left (direct advance). You should not use the rapid-advance function between
8 p.m. and 2 a.m. because the movement automatically advances the date during this
period and the change mechanism could be damaged.
I n g e n I e u r D o u B l e c h r o n o g r a p h T I T a n I u M