iwc 5027 Bedienungsanleitung Seite 27

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Important: The watch is water-resistant in positions 0, 1 and 2 as
long as the crown is not moved.
The crown should generally always be screwed in for normal
use to ensure the stability of the seal and to protect the winding
mechanism.
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.
B I G P I L O T ' S W A T C H A N N U A L C A L E N D A R