- Brand: Casio G-Shock
- Series: S Series
- Reference: GMA-B800-1ACR
- Smartphone link functions
- Step Count Graph with five exercise intensity levels
- Calories burned display
- Combinable timers
- Stopwatch measurement data log
- Auto time adjustment (4 times a day)
- Easy watch settings
- World Time for approximately 300 cities
- Time swapping
- Hand position correction
- Step count using a 3-axis accelerometer (Step Count Graph, step goal progress graphic)
- Stopwatch with Target Time alarm (lap/split display switching, up to 10 Target Times, 200 lap time records)
- Interval measurement timer with up to five time settings (Auto repeat up to 20 times, skip, auto start, alert sound)
- Hand shift feature
- Super Illuminator (double) illuminates the face and digital display