G-Shock How to

How to set time on G-Shock GMA-S120 / Casio 5518

Before using this guide, we recommend:

All settings are clearly explained and understandable.

  1. In the Timekeeping Mode, hold down A for about three seconds until the currently selected city code flashes in the right digital dial. This is the setting mode.

  2. Use D (east) and B (west) to display the city code you want to select.

    – Make sure you select your Home City code before changing any other setting.
    – For full information on city codes, see the “City Code Table” at the back of this manual.

  3. Press C to change the flashing screen content in the sequence shown below to select the other settings.

  4. When the setting you want to change is flashing, use D or B to change it as described below.

  5. Press A to exit the setting mode.

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