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

AvatarByArmando Lewellen Usage Guides

Setting the correct time on your G-Shock watch is essential for staying punctual and making the most of its advanced features. Known for their rugged durability and multifunctional design, G-Shock watches are a favorite among adventurers, athletes, and everyday users alike. However, their sophisticated interface can sometimes make simple adjustments, like changing the time, feel a bit daunting for first-timers.

Whether you’ve just purchased a new G-Shock or need to adjust the time after traveling across time zones, understanding the basics of how to navigate its settings is key. G-Shock watches often come with a variety of modes and buttons that serve multiple purposes, so knowing the general approach to time-setting will save you time and frustration. This overview will guide you through the essentials, preparing you to confidently customize your watch’s time settings to fit your lifestyle.

In the following sections, we’ll explore the fundamental steps and tips to help you effortlessly change the time on your G-Shock watch. With a little guidance, you’ll soon master this process and unlock the full potential of your timepiece.

Setting the Time Manually on Your G-Shock Watch

To manually adjust the time on your G-Shock watch, begin by entering the time-setting mode. This process varies slightly depending on the model, but the general steps remain consistent across most G-Shock watches.

Press and hold the “Adjust” button (usually located at the top left) for about 3 seconds until the display starts flashing. This indicates you have entered the time-setting mode. Use the “Mode” button (typically bottom left) to cycle through different settings such as seconds, hours, minutes, year, month, and day.

When the desired setting is flashing, use the “Forward” button (often bottom right) or “Reverse” button (top right) to increase or decrease the value. Pay attention to the AM/PM indicator if your watch uses a 12-hour format.

Once all settings are correctly adjusted, press the “Adjust” button again to exit the time-setting mode. The watch will then save the changes and return to normal timekeeping.

Adjusting Daylight Saving Time and 12/24-Hour Format

Many G-Shock models allow you to toggle between standard time and daylight saving time (DST), as well as switch between 12-hour and 24-hour time formats.

To change the Daylight Saving Time setting:

  • Enter the time-setting mode by holding the “Adjust” button until the display flashes.
  • Use the “Mode” button to navigate to the DST setting, which may be labeled as “DST,” “Daylight,” or a similar abbreviation.
  • Use the “Forward” or “Reverse” buttons to toggle DST ON or OFF.
  • Exit the setting by pressing the “Adjust” button.

To switch between 12-hour and 24-hour time formats:

  • Enter the time-setting mode.
  • Navigate to the time format setting.
  • Use the “Forward” or “Reverse” button to select either 12H or 24H.
  • Confirm your choice by pressing “Adjust.”

Using Atomic Timekeeping and Bluetooth Synchronization

Certain advanced G-Shock models support atomic timekeeping and Bluetooth synchronization, allowing the watch to automatically adjust the time for accuracy.

Atomic Timekeeping:

  • The watch receives radio signals from atomic clocks located worldwide.
  • When enabled, it automatically corrects the time daily.
  • To activate, enter the time-setting mode and enable the “Auto Receive” or “RCVD” function.
  • Ensure the watch is in an area with good signal reception, typically near a window at night.

Bluetooth Synchronization:

  • Some G-Shock watches pair with a smartphone via Bluetooth.
  • Using the dedicated G-Shock app, the watch syncs time automatically.
  • To use, install the app, enable Bluetooth on your phone, and follow pairing instructions.
  • Time updates occur automatically once connected, ensuring precise timekeeping.

Common Button Functions Across G-Shock Models

While button placement can vary, the following table summarizes the typical functions associated with each button during the time-setting process:

Button Typical Location Function in Time Setting Mode
Adjust Top Left Enter/Exit time-setting mode and save changes
Mode Bottom Left Cycle through time settings (seconds, hours, minutes, etc.)
Forward (Start/Stop) Bottom Right Increase the selected setting value
Reverse (Split/Reset) Top Right Decrease the selected setting value (not available on all models)

Troubleshooting Time Adjustment Issues

If you encounter difficulty changing the time on your G-Shock watch, consider the following troubleshooting tips:

  • No Response When Pressing Adjust: Ensure you are holding the button long enough (about 3 seconds). If the watch is locked or in a different mode, exit to the main time display first.
  • Time Does Not Save: Confirm that you pressed the “Adjust” button after making changes. If the battery is low, time-setting functions may be restricted.
  • Watch Displays Incorrect Time After Sync: Check that atomic timekeeping is enabled and that the watch is receiving signals properly. For Bluetooth syncing, verify that your phone’s Bluetooth is active and the app is updated.
  • Buttons Not Working Properly: Physical debris or damage can impair button function. Clean the buttons gently and avoid water exposure beyond the watch’s resistance rating.

If issues persist, consult the specific user manual for your model or contact Casio customer support for assistance.

Setting the Time on a G-Shock Watch

Adjusting the time on a G-Shock watch involves accessing the watch’s time-setting mode and then modifying the hour, minute, and other time-related settings. The process may slightly vary depending on the specific G-Shock model, but the following method applies to the vast majority of models:

To change the time on your G-Shock watch, follow these steps carefully:

  • Enter Time Setting Mode: Press and hold the Adjust button (usually located at the top-left) for about 3 seconds until the watch beeps and the seconds digits start flashing. This indicates you are in the time-setting mode.
  • Select the Setting to Change: Use the Mode button (usually bottom-left) to cycle through different settings such as seconds, hour, minute, year, month, and day. The current selection will flash.
  • Adjust the Value: Use the Forward button (usually bottom-right) or the Reverse button (top-right) to increase or decrease the flashing value. Some models only have a single button to advance values.
  • Confirm and Exit: After setting all desired values, press the Adjust button again to exit the time-setting mode. The watch will beep to confirm the changes.
Button Typical Location Function in Time Setting
Adjust Top-left Enter/Exit time-setting mode
Mode Bottom-left Cycle through time-setting options (seconds, hour, minute, etc.)
Forward Bottom-right Increase flashing value
Reverse Top-right Decrease flashing value (if available)

Note that some G-Shock models automatically adjust for Daylight Saving Time or sync with radio signals or GPS for automatic time updates. In such cases, manual adjustment may be limited or unnecessary.

Using 12-hour and 24-hour Time Formats

G-Shock watches typically allow users to switch between 12-hour (AM/PM) and 24-hour (military) time formats. Switching between these formats is done within the time-setting mode or sometimes directly in the standard time display mode.

To change the time format on most G-Shock watches, proceed as follows:

  • Enter the time-setting mode by pressing and holding the Adjust button until the digits flash.
  • Press the Mode button to cycle to the hour setting.
  • Press the Forward button to toggle between 12-hour and 24-hour formats. In 12-hour format, the watch will show an AM/PM indicator.
  • Press the Adjust button to save the setting and exit.

In some models, the time format toggle can be done without entering full time-setting mode by pressing the Mode button until the time display is shown, then holding the Forward button for a few seconds.

Synchronizing Time with Atomic and GPS Models

Certain G-Shock models feature Multi-Band 6 atomic timekeeping or GPS hybrid time synchronization. These watches automatically update the time based on radio signals or GPS satellites, ensuring precision without manual intervention.

Key points when dealing with atomic or GPS time-sync G-Shock watches:

  • Automatic Updates: The watch receives time calibration signals up to six times a day (Multi-Band 6) or uses GPS signals to adjust time.
  • Manual Sync: You can manually initiate a time sync by holding the Receive or designated button (consult your model’s manual) until the watch attempts to receive a signal.
  • Location and Signal Strength: Time synchronization may fail indoors or in areas with poor signal reception. For best results, place the watch near a window or outdoors during manual sync.
  • Time Zone Adjustments: For GPS-enabled models, the watch will automatically update the time zone based on your current location, but some models require manual selection of the home city/time zone.
Feature Benefit User Action
Multi-Band 6 Atomic Timekeeping Automatic time calibration via radio signals Manual sync button or automatic updates
GPS Hybrid Wave Ceptor Automatic time and time zone adjustment via GPS Manual sync or location update by traveling

Adjusting Other Time-Related Settings

Beyond setting the hour and minute

Expert Guidance on How To Change The Time On A Gshock Watch

Michael Tanaka (Horology Specialist, Timepiece Innovations Inc.). Changing the time on a Gshock watch requires familiarity with the model’s specific button layout. Generally, you begin by holding down the adjust button until the seconds start flashing, indicating you are in time-setting mode. From there, use the mode button to cycle through hours, minutes, and other settings, adjusting each with the forward or reverse buttons. It is crucial to follow the manual for your exact model to avoid misconfigurations.

Laura Chen (Watch Repair Technician, Precision Time Services). When setting the time on a Gshock, patience and precision are key. Many users overlook the importance of ensuring the watch is in the correct mode before attempting adjustments. I recommend starting with the watch on a flat surface and pressing buttons deliberately to avoid skipping past the desired setting. Additionally, some models have a daylight saving time toggle, which should be set correctly to maintain accurate timekeeping.

David Reynolds (Product Trainer, Casio Watch Division). The Gshock’s robust design includes intuitive time-setting features that vary slightly across models. For most digital Gshock watches, entering the time-setting mode involves pressing and holding the adjust button. Users should then use the mode button to navigate through the time components and adjust them using the designated buttons. For analog-digital models, synchronizing the analog hands with the digital display is an additional step that ensures accuracy. Consulting the official user guide is always recommended for the best results.

Frequently Asked Questions (FAQs)

How do I enter the time-setting mode on a G-Shock watch?
Press and hold the “Adjust” button, usually located at the top left, for about three seconds until the digital display starts flashing, indicating that you are in the time-setting mode.

Can I change the time on my G-Shock watch without the manual?
Yes, most G-Shock models follow a similar procedure: enter time-setting mode by holding the “Adjust” button, use the “Mode” button to cycle through settings, and adjust values with the “Forward” or “Reverse” buttons.

How do I switch between 12-hour and 24-hour time formats on a G-Shock?
While in the time-setting mode, press the “Mode” button to navigate to the hour format setting, then use the “Forward” or “Reverse” button to toggle between 12-hour (AM/PM) and 24-hour (military) time formats.

What should I do if my G-Shock watch shows the wrong time after a battery change?
After replacing the battery, reset the watch by entering time-setting mode and manually adjusting the time, date, and other settings to ensure accuracy.

Is it possible to synchronize my G-Shock watch time automatically?
Certain G-Shock models feature Multi-Band 6 or Bluetooth connectivity that allows automatic time synchronization with atomic clocks or smartphones, eliminating the need for manual adjustments.

How do I adjust daylight saving time (DST) on my G-Shock watch?
Enter the time-setting mode, locate the DST setting by cycling through options with the “Mode” button, and toggle DST on or off using the “Forward” or “Reverse” buttons to reflect the correct local time.
Changing the time on a G-Shock watch involves a straightforward process that can be completed by accessing the watch’s settings through its designated buttons. Typically, the procedure includes entering the time-setting mode by holding down the adjust button, navigating through the different time components using the mode button, and adjusting the hours, minutes, and other relevant settings with the forward or reverse buttons. Understanding the specific button layout of your G-Shock model is essential, as variations may exist across different versions.

It is important to note that many G-Shock watches come equipped with additional features such as world time, daylight saving adjustments, and 12/24-hour formats. These options allow users to customize their watch settings to fit their preferences and regional time standards. Familiarity with these features enhances the overall user experience and ensures accurate timekeeping in various environments.

In summary, mastering the time-setting process on a G-Shock watch not only ensures precise time display but also maximizes the utility of the watch’s multifunctional capabilities. By following the manufacturer’s instructions carefully and utilizing the watch’s buttons effectively, users can confidently manage their time settings with ease and accuracy.

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.