IWC Schaffhausen 3795 Mode D'emploi page 27

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Important: Although the watch is water-resistant in positions 0,
1 and 2, the crown should always be screwed in again for normal
use (position X). The crown must not be moved or used for any
purpose whatsoever while under water.
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. The crown must always be
in position X when you are wearing your watch.
a Q u a t i M e r c H r O n O g r a p H