IWC Schaffhausen Ingenieur Dual Time Titan Instrucciones De Manejo página 23

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.
Release the screw-in crown and pull it out to position 1. By turn-
ing the crown to the left or the right, you can now adjust the
hour hand forwards or backwards in one-hour steps. The move-
ment is not stopped by this operation, and the set time in minutes
and seconds is unaffected by this adjustment. If the hour hand is
adjusted past midnight, the date will move forwards to the next
day or backwards to the previous day. This function is used for
setting the date or is required when crossing from one time zone
to another.
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