Set the time and date
- In the Timekeeping Mode, hold A for at least one second, until the seconds flash.
- Press C to step through the settings: seconds, summer time, Home City, hours, minutes, year, month, day.
- On the seconds, press D to reset them to 00.
- On any other setting, press D or B to change it (hold for fast).
- Press A to leave the setting screen.
- To switch between 12-hour and 24-hour format, press D in the Timekeeping Mode.
Good to know
Resetting the seconds between 30 and 59 adds one minute.
The watch leaves the setting screen by itself after two or three minutes without a button press.
From Casio's guide, page 7