S.Coifman Movement Caliber 1069 Instruction Manual - page 77
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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
by one hour per step until the desired time is set.
2.3 Stop pressing the button when finished setting the time zone.
SETTINGS
Movement Caliber :
9232 / 1930
2.1
2.2
2.3