The Casio G-Shock GD100-1B is a men's digital sport watch with a black resin case, a fixed black resin bezel and a black resin strap. The round case has a solid case back and a tang clasp. The movement is quartz, and the crystal is scratch-resistant mineral glass.
The black digital dial shows hours, minutes, seconds, date and day of the week, in a 12/24-hour format. An Auto LED backlight (Super Illuminator) lights the large display area. The watch is shock resistant and water resistant to 200 meters (660 feet).
Functions include world time for 31 time zones (48 cities plus coordinated universal time) and a 1/100-second stopwatch. The countdown timer ranges from 1 second to 24 hours. There are 5 independent alarms, set as daily or one-time. Accuracy is ±15 seconds per month, and the battery lasts 7 years.
- Case material
- Resin
- Strap
- Black resin with tang clasp
- Case size
- 55×51.2×17.4 mm
- Weight
- 72 g
- Water resistance
- 200 m / 660 ft
- Crystal
- Scratch-resistant mineral
- Movement
- Quartz, ±15 seconds per month
- Battery
- CR2025, 7-year life
- Fit
- X-large G series
- Display
- Digital, with Auto LED backlight