The Casio G-Shock GA-2100-1A/1ACR combines G-Shock’s signature toughness with a slim, octagonal design inspired by the classic G-Shock style. It features a black resin case and band, an analog-digital display, and a carbon-core structure designed for durability while keeping the watch relatively lightweight and comfortable for everyday wear.
Key features include:
- Model: Casio G-Shock GA-2100-1A / GA-2100-1ACR
- Color: Black
- Case: Resin with Carbon Core Guard structure
- Band: Black resin
- Display: Analog + digital
- Shock resistant: Yes
- Water resistance: 200 meters
- World time: Multiple time zones
- Stopwatch: 1/100-second stopwatch
- Countdown timer: Yes
- Alarms: 5 daily alarms, including 1 snooze alarm
- LED light: Yes
- Calendar: Full auto-calendar
- Accuracy: Approximately ±15 seconds per month
- Battery life: Approximately 3 years
- Case size: Approximately 45.4 × 40.4 × 11.2 mm
- Weight: Approximately 51 g
The GA-2100 is particularly popular for its minimalist black-on-black appearance, octagonal bezel, slim profile, and rugged G-Shock construction. It works well as an everyday watch for casual wear, work, travel, and outdoor activities.
