Citizen H504 - Using the Chronograph

• The date is based on a 31-day calendar. The date must be changed from
the last day of the month to the firstday of the
following month forthose
months not having 31 days (months having 30 days and February).
• The date changes at around 12:00 AM.
3. Once the date has finished being set, return the crown to the normal
position.
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