The Casio G-Shock GM-2100 is an analog-digital quartz watch from the G-Shock series. It has a round stainless steel case with a fixed resin bezel, a silver-tone dial, black hands and index hour markers. The hands and markers use Neobrite luminescence, and a Super Illuminator LED light is built in.
The case has a solid case back and a scratch resistant mineral glass crystal. The shock resistant construction uses a Carbon Core Guard structure, and the bezel is gold ion plated. The watch is water resistant to 200 meters (660 feet).
Functions include date, hour, minute, second, month, a 1/100-second stopwatch, world time, 5 daily alarms and 12/24-hour format. The full auto-calendar runs to the year 2099. Button operation tones can be turned on or off. Accuracy is ±15 seconds per month, and the two SR726W batteries last approximately 3 years.
- Display
- Analog-digital
- Case size
- 49.3 × 44.4 mm
- Thickness
- 11.8 mm
- Case material
- Resin / stainless steel
- Crystal
- Mineral glass
- Water resistance
- 20 bar, 200 m / 660 ft
- Battery
- 2 × SR726W, approx. 3 years
- In the box
- Original box