Casio G-Shock GA-2100-1ADR | Shock Resistant, 200M Water Resistant, World Time
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Casio G-Shock GA-2100-1ADR | Shock Resistant, 200M Water Resistant, World Time
Unleash Durability: Slim, Tough, and Ready for Anything
Engineered for the adventurer and the urban explorer alike, this G-Shock GA-2100-1ADR combines a sleek, minimalist design with legendary Casio toughness. Its carbon-reinforced resin construction offers unparalleled shock resistance, making it the perfect companion for any demanding lifestyle or outdoor pursuit.
Specifications
| Model Number | GA-2100-1ADR |
| Case Size (L× W× H) | 48.5 × 45.4 × 11.8 mm |
| Weight | 51 g |
| Case and Bezel Material | Carbon / Resin |
| Band | Resin Band |
| Construction | Shock Resistant |
| Water Resistance | 200-meter water resistance |
| Power Supply and Battery Life | Approx. battery life: 3 years on SR726W X 2 |
| Glass | Mineral Glass |
| World Time | 31 time zones (48 cities + coordinated universal time), daylight saving on/off |
| Stopwatch | 1/100-second stopwatch; Measuring capacity: 00'00''00~59'59''99 (first 60 minutes), 1:00'00~23:59'59 (after 60 minutes); Measuring modes: Elapsed time, split time, 1st-2nd place times |
| Timer | Countdown timer; Measuring unit: 1 second; Countdown range: 24 hours |
| Alarm/Hourly Time Signal | 5 daily alarms |
| Light | Double LED light (Super illuminator) for face and digital display |
| Light Color | LED:White |
| Calendar | Full auto-calendar (to year 2099) |
| Mute Feature | Button operation tone on/off |
| Accuracy | ±15 seconds per month |
| Other Features | 12/24-hour format |
Key Features
- Shock Resistant construction protects against impacts.
- 200-meter water resistance for swimming and diving.
- World Time function covers 31 time zones.
- Double LED light with Super Illuminator for excellent visibility.
- Full auto-calendar ensures accurate date display until 2099.
- Long battery life of approximately 3 years.



