How to set time on G-Shock GW-M500 / Casio 3405

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The Ultimate Guide to All G-SHOCKs โ€” composed by Experts

Before using this guide, we recommend:

All settings are clearly explained and understandable.

How to set time on G-Shock GW-M500 Casio 3405-1

1. In the Timekeeping Mode, hold down A until the cityย code starts to flash, which indicates the setting screen.
2. Use D and B to select the city code you want.

  • Make sure you select your Home City code beforeย changing any other setting.
  • For full information on city codes, see the โ€œCity Codeย Tableโ€ at the back of this manual.

3. Press C to move the flashing in the sequence shown below to select the otherย settings.

How to set time on G-Shock GW-M500 Casio 3405-2

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

How to set time on G-Shock GW-M500 Casio 3405-3How to set time on G-Shock GW-M500 Casio 3405-4

5. Press A to exit the setting screen.

  • Auto DST (AvtA) can be selected only while LIS, LON, MAD, PAR, ROM, BER,ย STO, ATH, MOW, TPE, SEL, TYO, HNL, ANC, YVR, LAX, YEA, DEN, MEX, CHI,ย NYC, YHZ, or YYT is selected as the Home City code. For more information, seeย โ€œDaylight Saving Time (DST)โ€ (page E-62).
  • The day of the week is displayed automatically in accordance with the date (year,ย month, and day) settings.


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Comments

2 responses to “How to set time on G-Shock GW-M500 / Casio 3405”

  1. Gary Zavadil Avatar
    Gary Zavadil

    My G-Shock is 3 minutes ahead of real time and it has not communicated with the satellite for some time. I decided to try to correct the time, but none of your steps have worked. I had the watch set to Mexico with no DST because I live in Costa Rica. The only thing I was able to do was get the phone back to ‘MEX’, but the time is one hour ahead which makes no sense because Mexico is on the same time zone now and ‘DEN’ is an hour behind. I was never able to get the watch to go into a time setting mode so now it is an hour ahead and still 3 minutes fast. I have tried over and over to get any of these modes to appear, but the only thing that is able to be changed is the city and that has not corrected the 3 minute problem and not the correct hour either. Any suggestions?

  2. Durand Avatar
    Durand

    same problem as above. can only change city code.

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