Citizen Eco-Drive E76 Instruction Manual page 10

The second hand advances to the current seconds and the hands begin to move.
<When Setting the Date by Continuously Turning the Crown>
The date can be set easily by stopping advancing the date rapidly two to three
days before the correct date and then advancing the date one day at a time.
<When the Date has been Set to a Date that does not Exist>
The date automatically changes to the first day of the following month when the
crown is returned to the normal position from the date correction state.
Examples:
* Normal Years:
March 1 when the date has been set to February 29, 30 or 31
October 1 when the date has been set to September 31
* Leap Years:
March 1 when the date has been set to February 30 or 31
October 1 when the date has been set to September 31
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