iwc DA VINCI AUTOMATIC Operating Instructions Manual page 10

Time setting
Pull the crown to position 2. This will stop the movement.
To set the time accurately to the second, it is best to stop
the movement as the seconds hand passes 60. Now move
the minute hand a few minute strokes beyond the time to be
set. Then position the minute hand by moving it gently
backwards until it is exactly above the correct minute
stroke. This ensures that the minute hand begins to move
immediately when you restart the movement. To start
the seconds hand, push in the crown to position 0. When
setting the time, please be aware of the date change which
always takes place at 12 midnight (24.00). If this change
has already taken place at 12.00 noon, you must move the
hands forwards by 12 hours.