How to set time on G-Shock GST-S100 / Casio 5445

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

Before using this guide, we recommend:

All settings are clearly explained and understandable.

How to set time on G-Shock GST-S100 Casio 5445-1

  1. In the Timekeeping Mode, hold down A for about two seconds until ADJ appears in the right digital dial. When you release A, the city code and city name will scroll across the right digital dial. This is the setting mode.

    Whenever you enter a setting mode, the analog hands will automatically move to positions that allow easier viewing of the digital dials.

  2. Press C to move the flashing in the sequence shown below to select the other settings.

    The following steps explain how to configure timekeeping settings only.

  3. When the timekeeping setting you want to change is flashing, use D and/or B to change it as described below.

  4. Press A to exit the setting mode.


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Comments

6 responses to “How to set time on G-Shock GST-S100 / Casio 5445”

  1. PAUL COHEN Avatar

    I kept getting time 3 hours behind. I called Casio and they said I had to press A until adjust and then top right and bottom right until hands pointed at 12 o’clock. Then press A one time.
    Nowhere in the manual is this shown and caused me considerable frustration.

    1. B. Richard Mullen Avatar
      B. Richard Mullen

      Yes once you set all others it gets confusing for setting hands but if you put it in hand set hset then put hands at 1200 which they say it does it itself but didn’t put it at 1200 manually let stay for 30 seconds or so then push A it goes to right time

    2. Frank Booth Avatar
      Frank Booth

      What do you expect?
      It’s made in China

  2. Michael Avatar

    My time will not set

  3. Harold Hunt Avatar
    Harold Hunt

    It worked thanks for the help

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