The Casio G-Shock GA-100TU-1A3DR is built for men who demand toughness and precision. This analog-digital watch combines a rugged design with advanced functions, making it ideal for sports, outdoor adventures, and everyday wear.
Features
- Shock & Magnetic Resistant: Durable construction ensures reliability in harsh conditions.
- World Time: Track 29 time zones (48 cities + UTC) with daylight saving on/off and city swapping.
- Stopwatch: 1/1000-second stopwatch with elapsed time, lap time, split time, speed, distance input, and Mach indicator for precise timing.
- Countdown Timer: Countdown range up to 24 hours with auto-repeat and 1-second increments.
- Alarms & Hourly Signal: 5 daily alarms with 1 snooze alarm and hourly time signal for reminders.
- LED Light: Amber LED light with auto light switch and selectable illumination duration for easy reading in the dark.
- Full Auto-Calendar: Automatically adjusts date up to the year 2099.
- Long Battery Life: Approximately 2 years on CR1220 battery for worry-free performance.
Specifications
- Brand: Casio
- Model Number: GA-100TU-1A3DR
- Series: G-Shock
- Product Weight: 72 g
- Watch Movement: Analog-Digital
- Display Type: Analog & Digital
- Case Size (LxWxH): 55 x 51.2 x 16.9 mm
- Case & Bezel Material: Resin
- Band Material: Brown Resin
- Compatible Band Size: 145 to 215 mm
- Glass: Mineral Glass
- Watch Shape: Round
- Water Resistance: 200 meters
- Battery Life: Approx. 2 years (CR1220)
- Accuracy: ±15 seconds per month
- Other Features: 12/24-hour format, regular timekeeping with analog 2 hands + speed dial and digital hour, minute, second, pm, month, date, day






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