Casio G-Shock GA-100B-4AER | 200M Water Resistant, Stopwatch, Countdown Timer
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Casio G-Shock GA-100B-4AER | 200M Water Resistant, Stopwatch, Countdown Timer
Unleash Your Inner Adventurer: Bold & Unbreakable
Designed for the active individual who demands resilience and precision, this Casio G-Shock is your ultimate companion. Its robust 200M water resistance and advanced stopwatch functions make it perfect for challenging sports, outdoor pursuits, or simply navigating the urban jungle with confidence.
Specifications
| Model Number | GA-100B-4AER |
| Case / Bezel Material | Resin |
| Stopwatch | 1/1000-second, measuring capacity 99:59'59.999'', Elapsed time, lap time, split time, Speed (0 to 1998 units / hour), Distance input (0.0 to 99.9), Mach indicator |
| Countdown Timer | Measuring unit 1 second, Countdown range 24 hours, Start time setting range 1 minute to 24 hours (1-minute/1-hour increments), Auto-repeat |
| Timekeeping | Analog (2 hands, 1 dial), Digital (Hour, minute, second, pm, month, date, day) |
| Accuracy | ±15 seconds per month |
| Approx. Battery Life | 2 years on CR1220 |
| Case Size | 55×51.2×16.9mm |
| Total Weight | 70g |
Key Features
- 200M Water Resistant for serious aquatic activities
- High-precision 1/1000-second stopwatch with speed indicator
- Versatile countdown timer with auto-repeat function
- Durable resin case and bezel construction
- Both analog and digital time display for comprehensive information
- Long-lasting 2-year battery life



