Swiss Military Manual page 19

SETTING THE TIME AND DATE ON GMT-WATCHES
1. Pull out the 4:00 crown to Position 2 (one «click» out). Rotate crown
clockwise until the date shows one day earlier than the date you want to set.
2. Pull out the 4:00 crown to Position 3 (two «clicks» out). Rotate crown so
the watch hands move clockwise until the current date shows. Then set
the watch hands to the correct time. Turn the watch hands past 12 once if
you're setting the watch for a P.M. time.
3. Return the crown to the fully depressed position.
Position 1
Position 2
Position 3
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