How To Set Time On G-Shock GA-100 - CasioFan Magazine

The Ultimate Guide to All G-SHOCKs — composed by Experts

Before using this guide, we recommend:

  • Download official GA-100 Manual →
  • Watch official 5081 GA-100 Manual Online →

All settings are clearly explained and understandable.

How to set time on G-Shock GA-100
  1. In the Timekeeping Mode, hold down A for about three seconds until the city code flashes on the lower right display. This is the setting mode.
  2. Use D and B to select the city code you want.

    Make sure you select your Home City code before changing any other setting.For full information on city codes, see the “City CodeTable”.

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

  4. When the timekeeping 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.

    The day of the week is displayed automatically in accordance with the date (year, month, and day) settings.

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G-FAN Alex

Being a fan of CASIO watches since 2009, I strive to share my passion and knowledge with others. Through publishing short notes and curating all listings on this site, I hope to inspire fellow enthusiasts to explore the world of high-quality CASIO watches. A proud owner of GST-B200, GG-1000, GA-110. Remember: Fake Watches are for Fake People.

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