Casio 5057 Manual page 12

9. After all of the settings are the way you want and the day display is no longer
changing, press A. This will cause the center dial hand to start moving again and
the other hands to start moving from their current positions.
• You can press A at any time during the above procedure to return to the
Timekeeping Mode.
• The watch's built-in full automatic calendar makes allowances for different month
lengths and leap years. Once you set the date, there should be no reason to change
it except after you have the watch's battery replaced.
• The date will change automatically when the current time reaches midnight. The
date change at the end of a month may take more time than normal.
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