Casio G-Shock GA-2100-1A1 – All-Black Analog-Digital Watch, Carbon Core Guard & 200m Water Resistance
Product Highlights
- Carbon Core Guard structure uses a carbon-reinforced resin case to protect the module while keeping the watch slim.
- Shock-resistant G-Shock build is made to take knocks and drops in daily life.
- 200-metre water resistance handles swimming and water sports.
- All-black octagonal design with a matte finish that goes with almost anything.
- Double LED light lights both the dial and the digital display, with afterglow.
- World time covers 31 time zones (48 cities plus UTC).
- 1/100-second stopwatch, countdown timer and 5 daily alarms cover workouts and daily reminders.
- Hand shift feature moves the hands aside so you can read the digital display clearly.
- Light at 51 g with a resin strap that fits 145 to 215 mm wrists.
- Battery life of about 3 years (2 × SR726W), with accuracy of ±15 seconds a month.
Technical Specifications
- Brand: Casio
- Collection: G-Shock
- Model: GA-2100-1A1
- Display: Analog-digital
- Colour: All black
- Case: Carbon / resin (Carbon Core Guard)
- Case Size: 48.5 × 45.4 × 11.8 mm
- Glass: Mineral glass
- Band: Resin strap
- Band Fits: 145 to 215 mm wrists
- Shock Resistance: Yes
- Water Resistance: 200 m (20 bar)
- Light: Double LED with afterglow
- World Time: 31 time zones (48 cities + UTC)
- Stopwatch: 1/100 second
- Timer: Countdown, up to 24 hours
- Alarm: 5 daily alarms, hourly time signal
- Calendar: Full auto-calendar to 2099
- Battery: 2 × SR726W, approx. 3 years
- Accuracy: ±15 seconds per month
- Weight: 51 g
What’s in the Box
- Casio G-Shock GA-2100-1A1 watch

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