G-Shock GA-140-6AER - Watch CASIO - Free user manual and instructions
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| Product Type | Analog-Digital Watch |
| Brand | Casio |
| Model | G-Shock GA-140-6AER |
| Display Type | Analog and Digital |
| Case Material | Resin |
| Band Material | Resin |
| Glass Material | Mineral Glass |
| Water Resistance | 200 meters (20 bar) |
| Dimensions (Case) | Approx. 51.4 × 48.4 × 15.6 mm |
| Weight | Approx. 72 g |
| Battery Type | CR1220 |
| Battery Life | Approx. 2 years |
| Accuracy | ±15 seconds per month |
| Stopwatch | 1/1000 second – 24 hours |
| Timer | Countdown range: 24 hours |
| Alarm | Daily alarm and hourly time signal |
| World Time | 31 time zones + UTC |
| Light | LED light (Super Illuminator) |
| Calendar | Full auto-calendar (to year 2099) |
| Button Operation Tone | On/Off selectable |
| Shock Resistance | Yes |
| Magnetic Resistance | Yes |
| Case Color | Black and Purple (GA-140-6AER) |
| Band Color | Purple |
Frequently Asked Questions - G-Shock GA-140-6AER CASIO
How to set the time on my Casio G-Shock GA-140-6AER?
Press and hold the Adjust button (bottom left) for about 3 seconds. The seconds will start flashing. Use the Search button (top right) to change the value, and the Light button (bottom right) to move to the next setting. Press Adjust to exit.
Is the Casio G-Shock GA-140-6AER water resistant?
Yes, it is water resistant to 200 meters (20 bar). Suitable for swimming and snorkeling, but not for scuba diving.
How to change the battery in my G-Shock GA-140-6AER?
The watch uses a CR1220 battery. Open the back cover with a screwdriver, remove the old battery, insert the new one with the positive side facing up, and close the cover. Ensure the gasket is properly placed to maintain water resistance.
How to use the stopwatch on the GA-140-6AER?
Press the Start/Stop button (top right) to start and stop the stopwatch. Press the Reset button (bottom right) to reset. The stopwatch measures up to 24 hours with 1/1000 second precision.
How do I set the alarm?
Press and hold the Mode button (bottom left) to enter the alarm mode. Then press Adjust to set the alarm time. Use the Search and Light buttons to adjust hours and minutes. Press Mode to exit.
What is the battery life of the GA-140-6AER?
Approximately 2 years under normal use, with the LED light used about 1.5 seconds per day and alarm once per day.
How to turn off the hourly time signal?
In the alarm mode, press the Search button to toggle the hourly time signal on/off. The icon ✔ will appear or disappear accordingly.
My watch display is faint; how to fix it?
The LED light (Super Illuminator) can be activated by pressing the Light button (top left). If the display is consistently faint, ensure the battery is not low. A low battery may cause dim display.
How to adjust the date on the GA-140-6AER?
In the timekeeping mode, press and hold Adjust. When the seconds flash, press the Search button to go through settings until the date is displayed. Adjust using Search and Light, then press Adjust to confirm.
Can I replace the band on my G-Shock GA-140-6AER?
Yes, the band is replaceable. Use a spring bar tool to remove the old band. Standard 24mm width replacement bands are available from Casio or third-party vendors.
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