IWC Schaffhausen AQUATIMER AUTOMATIC 3410 Mode D'emploi page 26

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not use the rapid­adjustment function between 8 p.m. and 2 a.m.
because the movement automatically advances the date during
this period.
T I M E S E T T I N G
Pull out 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. You can now set the
time by turning the crown and positioning the minute hand exactly
above the minute stroke. 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. If this
change has already taken place at 12 noon, you must move the
hands forwards by 12 hours.
Important: Although the watch is water­resistant in positions 0,
1 and 2, the crown should always be screwed in again for normal
use (position X).
A Q U AT I M E R A U T O M AT I C