The CASIO G-SHOCK GAS-100 series is all about style and strength. With three bezel options—classic stainless steel, bold black aluminum, and a standout gold ion-plated version—this watch is designed to suit different looks. It’s powered by solar energy, so no need to worry about batteries, and it comes with bright illumination for clear reading, day or night. Plus, CASIO’s special design process gives the markers an elegant finish that really elevates the look.
Basic Information
- Case size (L× W× H) 55.1 × 52.5 × 16.7 mm
- Weight 76 g
- Case and bezel material Resin / Stainless steel
- Band: Resin Band
- construction: Shock Resistant
- 200-meter water resistance
- Power supply and battery life Tough Solar (Solar powered)
Exterior
- Glass Mineral Glass
Watch Features
World time
- World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping
Stopwatch
- 1-second stopwatch
- Measuring capacity: 59'59.99''
- Measuring modes: Elapsed time, split time, 1st-2nd place times
Timer
- Countdown timer
- Measuring unit: 1 second
- Countdown range: 100 minutes
- Countdown start time setting range: 1 second to 100 minutes (1-second increments, 1-minute increments)
Alarm/hourly time signal
- 5 daily alarms
- Hourly time signal
Light
- Double LED light
- LED light for the face (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
- LED backlight for the digital display (Full auto LED light, Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Light color
- LED: White
Calendar
- Full auto-calendar (to year 2099)
Mute feature
- Button operation tone on/off
Energy saving feature
- Power Saving (display goes blank to save power when the watch is left in the dark)
Battery display/alert
- Battery level indicator
Accuracy
- Accuracy: ±15 seconds per month
Run time
- Approx. battery operating time: 8 months on rechargeable battery (operation period with normal use without exposure to light after charge) 19 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Other features
- 12/24-hour format
- Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
- Regular timekeeping:
- Analog: 2 hands (hour, minute)
- Digital: Hour, minute, second, pm, month, date, day
