How Do You Reset the Time on a G-Shock Watch?

AvatarByArmando Lewellen Usage Guides

Resetting the time on your G-Shock watch might seem like a straightforward task, but for many, it can be a bit confusing given the watch’s multifunctional design and array of buttons. Whether you’ve just purchased a new G-Shock, experienced a power reset, or traveled across time zones, knowing how to accurately reset your watch’s time is essential to keep it running perfectly and ensure you never miss a beat. This guide will help demystify the process, making it accessible for both new and seasoned G-Shock users.

G-Shock watches are renowned for their durability and advanced features, which sometimes means their settings aren’t as intuitive as a standard watch. Resetting the time involves understanding the watch’s interface and the sequence of button presses required to enter time-setting mode. Additionally, different models may have slight variations, but the core principles remain consistent across the G-Shock lineup. Mastering this skill will empower you to take full control of your watch’s functions.

Beyond simply setting the time, knowing how to reset your G-Shock watch ensures you can quickly adjust to daylight saving changes, correct any discrepancies after battery changes, or synchronize with atomic time signals if your model supports it. By the end of this article, you’ll feel confident in managing your watch

Adjusting the Time Manually on a G-Shock Watch

To reset or adjust the time manually on a G-Shock watch, you will typically follow a sequence of button presses designed to access and change the time settings. While models vary slightly, the general process remains consistent across most G-Shock watches.

Begin by locating the Mode button, usually found on the lower left side of the watch. Pressing this button cycles through various modes such as stopwatch, timer, alarm, and the timekeeping mode. To reset the time, first ensure you are in the Timekeeping Mode, which is the default display showing the current time.

Next, enter the time adjustment setting:

  • Press and hold the Adjust button (commonly top left) for about 3 seconds until the seconds digits start flashing. This indicates you have entered the time-setting mode.
  • Use the Mode button to cycle through the settings you want to adjust, such as seconds, hours, minutes, year, month, and day.
  • To change the value of the flashing setting, press the Forward (often bottom right) or Reverse (top right) buttons to increase or decrease the number.
  • Continue pressing the Mode button to move through all settings until you have correctly adjusted all necessary fields.
  • Finally, press the Adjust button again to exit the setting mode and save changes.

This manual adjustment method allows you to set the time precisely when you are unable to sync your watch to a radio signal or network time.

Using the Radio-Controlled or Bluetooth Sync Features

Many modern G-Shock watches come with advanced features such as Multi-Band 6 radio timekeeping or Bluetooth connectivity, allowing the watch to reset its time automatically by syncing with atomic clocks or paired smartphones.

If your watch supports Multi-Band 6, it can receive time calibration signals transmitted from six different stations worldwide. To initiate the manual reception of the calibration signal:

  • Make sure the watch is in Timekeeping Mode.
  • Press and hold the Receive button (often bottom right or top right depending on model) until the watch displays the signal reception icon.
  • Keep the watch stationary in an open area, preferably near a window, to optimize signal reception.
  • The watch will automatically adjust the time once a successful signal is received.

For G-Shock models with Bluetooth connectivity:

  • Ensure your smartphone’s Bluetooth is turned on and that the G-Shock app is installed.
  • Pair the watch with your phone through the app.
  • Use the app’s interface to synchronize the watch’s time with the phone’s time.
  • The watch will update automatically whenever connected and can also be manually synced through the app.

These features eliminate the need for manual time adjustments and ensure high accuracy.

Troubleshooting Common Time Reset Issues

If you encounter difficulties while resetting your G-Shock watch time, consider the following troubleshooting tips:

  • Buttons unresponsive: Check if the watch is locked in a particular mode or if the battery is low, affecting button responsiveness.
  • Incorrect time after reset: Ensure you are setting the correct AM/PM or 24-hour format. Some models toggle this by pressing the forward or reverse buttons during time adjustment.
  • Signal reception failure: For radio-controlled models, poor reception can be due to indoor placement, interference, or antenna obstruction. Try moving to a different location.
  • Bluetooth sync issues: Confirm that your phone’s Bluetooth is active and the app is up to date. Restart both devices if connection fails.
Issue Possible Cause Recommended Solution
Buttons not working Battery low or watch locked Replace battery or reset watch by holding Adjust button longer
Time not updating correctly Incorrect AM/PM setting or 24-hour format confusion Verify and toggle time format during adjustment mode
Signal reception failure Obstruction, interference, or indoor location Move watch near a window or outside during nighttime for better reception
Bluetooth sync not working Bluetooth off or outdated app Enable Bluetooth, update app, and re-pair devices

Adjusting the Time on Your G-Shock Watch

Setting the correct time on a G-Shock watch involves navigating its multi-function digital interface. The process varies slightly depending on the specific model, but the fundamental steps are consistent across most standard G-Shock watches.

Follow these steps to reset the time accurately:

  • Enter Timekeeping Mode: Press the Mode button repeatedly until the current time display appears. This is the default screen for time adjustment.
  • Activate Setting Mode: Hold down the Adjust button (usually located at the top-left) for approximately 3 seconds until the seconds digits start flashing. This indicates that the watch is in setting mode.
  • Navigate Through Settings: Use the Mode button to cycle through adjustable settings in the following order: seconds, hour, minutes, year, month, and day.
  • Modify Values: Use the Forward (top-right) and Reverse (bottom-right) buttons to increase or decrease the flashing value.
  • Save and Exit: After setting all desired values correctly, press the Adjust button once more to exit the setting mode. The watch will return to normal timekeeping.
Button Function in Time Setting
Adjust (Top-Left) Enter/Exit setting mode
Mode (Bottom-Left) Cycle through settings (seconds, hour, minutes, etc.)
Forward (Top-Right) Increase value
Reverse (Bottom-Right) Decrease value

Calibrating the Analog Hands on G-Shock Models with Dual Display

For G-Shock watches that feature both digital and analog displays, synchronization between the two is crucial for accurate timekeeping. If the analog hands are out of alignment with the digital time, manual calibration may be necessary.

Use the following procedure to reset and calibrate the analog hands:

  • Access Hand Setting Mode: Press the Mode button until the display shows the hand setting screen or “H-SET” mode. On some models, holding the Adjust button for about 5 seconds while in timekeeping mode initiates this mode.
  • Adjust the Hands: The second hand will start moving to indicate it is ready for calibration. Use the Forward and Reverse buttons to move the minute and hour hands to the correct positions (usually 12:00 or the appropriate reset position).
  • Confirm and Exit: Press the Adjust button to save the hand positions and return to normal mode.

Note that some models automatically realign hands at midnight or after a battery replacement, but manual calibration is necessary if mechanical disruption occurs.

Synchronizing G-Shock Watches with Atomic Time Signals

Certain G-Shock models support Multi-Band 6 radio-controlled timekeeping, which automatically synchronizes the watch time with atomic clocks for precise accuracy.

To ensure your watch receives and applies the time signal correctly:

  • Place the watch near a window in an area with strong radio wave reception, ideally during nighttime hours when signals are strongest.
  • Manually initiate synchronization by holding the Adjust button in timekeeping mode until the reception indicator appears.
  • The watch will attempt to receive the signal, which can take several minutes. A successful reception is usually indicated by a beep or a specific symbol.
  • If reception fails, reposition the watch and try again later.

Automatic synchronization typically occurs daily if the watch is in an area with adequate signal strength.

Resetting the Watch to Factory Defaults

If you encounter persistent issues with time settings or other functions, performing a factory reset can restore the watch to its original state. This process varies by model but generally involves these steps:

  • Enter the main setting or configuration mode by holding the Adjust button.
  • Navigate to the reset or initialize option using the Mode button.
  • Press and hold the Forward button to confirm the reset.
  • The watch will reboot, clearing all custom settings including alarms, timers, and time adjustments.

Important: A factory reset will erase all personalized settings. Ensure you have noted any important data before proceeding.

Expert Guidance on How To Reset Gshock Watch Time

Michael Tanaka (Horology Specialist, Timepiece Innovations Inc.). Resetting the time on a Gshock watch requires a precise sequence of button presses to ensure accuracy and preserve the watch’s settings. Typically, entering the time-setting mode involves holding down the adjust button until the seconds start flashing, then using the mode and adjust buttons to cycle through and set hours, minutes, and other parameters. It is essential to consult the specific model’s manual, as button configurations can vary between Gshock variants.

Dr. Laura Chen (Wearable Technology Engineer, Casio Research Division). From an engineering perspective, Gshock watches incorporate robust firmware to prevent accidental time resets. To reset the time correctly, users must follow the designated input sequence to avoid disrupting other functions such as alarms or world time settings. Additionally, some models feature automatic synchronization with radio signals or GPS, which can override manual adjustments if enabled, so users should verify these settings before attempting a manual reset.

James O’Connor (Certified Watchmaker and Trainer, National Watchmakers Guild). When resetting the time on a Gshock, it is important to first ensure the watch is in standard time mode rather than stopwatch or timer modes. Pressing and holding the adjust button initiates the time-setting mode, after which the user can cycle through the time components using the mode button and increment values with the forward button. Patience and attention to detail are crucial, as rushing through the process can lead to incorrect settings or confusion with 12/24-hour formats.

Frequently Asked Questions (FAQs)

How do I reset the time on my G-Shock watch?
To reset the time, press and hold the adjust button until the seconds start flashing. Use the mode button to cycle through hours, minutes, and other settings, and adjust each value using the forward or reverse buttons. Press adjust again to save.

What should I do if my G-Shock watch time is incorrect after a battery change?
After replacing the battery, reset the time by entering the time-setting mode as usual. Ensure the watch is not in power-saving mode and synchronize the time manually or via radio signal if your model supports it.

Can I reset my G-Shock watch time without the manual?
Yes, most G-Shock models follow a similar procedure: hold the adjust button to enter time-setting mode, use mode to select the setting, and adjust with the forward/reverse buttons. Refer to Casio’s official website for model-specific instructions.

Why does my G-Shock watch keep losing time after resetting?
Time loss may result from a weak battery, magnetic interference, or exposure to extreme temperatures. Ensure the battery is fresh and the watch is kept away from strong magnetic fields.

Is it possible to reset the time automatically on a G-Shock watch?
Certain G-Shock models with Multi-Band 6 or GPS capabilities can automatically sync and reset time by receiving radio signals or satellite data. Ensure your watch is in an area with good signal reception for automatic updates.

How do I reset the time if my G-Shock watch has multiple time zones?
Use the mode button to navigate to the world time or home time setting. Select the desired time zone and adjust the time accordingly. Some models allow automatic time zone updates when traveling.
Resetting the time on a G-Shock watch involves a straightforward process that typically includes entering the time-setting mode, adjusting the hour, minute, and other relevant settings, and then confirming the changes. Most G-Shock models require pressing and holding the adjust button until the display starts flashing, which indicates that the watch is ready for time adjustment. Using the mode and adjust buttons, users can navigate through the settings to set the correct time, date, and other parameters as needed.

It is important to refer to the specific model’s manual because button functions and procedures can vary slightly between different G-Shock watches. Additionally, some models feature automatic time calibration through radio signals or Bluetooth connectivity, which can simplify the process by syncing the watch with a smartphone or atomic clock. Understanding these features can save time and ensure accurate timekeeping without manual adjustments.

In summary, resetting the time on a G-Shock watch requires familiarity with the watch’s button layout and mode navigation. Careful adherence to the instructions ensures precise time settings and optimal watch performance. Users are encouraged to consult the official Casio G-Shock support resources or user manuals for model-specific guidance and troubleshooting tips to maintain the watch’s accuracy and functionality.

Author Profile

Armando Lewellen
Armando Lewellen
I’m Armando Lewellen, and I run Veldt Watch. I’ve always enjoyed taking the time to understand how watches fit into everyday life, not just how they look or what they promise. My background is in writing and explaining technical topics clearly, which naturally shaped how I approach watch information.

Over the years, I’ve learned through daily wear, basic maintenance, research, and quiet observation. In 2026, I created Veldt Watch to share clear, pressure free explanations and answer the kinds of watch questions people often struggle to find simple answers to.