S.Coifman Movement Caliber 1069 Instruction Manual page 77

Movement Caliber : 9232 / 1930
SETTINGS
Setting the Second Time Zone
2.1 Set the crown to position 1.
2.2 Press B step-by-step to advance the hand of the second time zone
2.1
by one hour per step until the desired time is set.
2.3 Stop pressing the button when finished setting the time zone.
2.2 2.3
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