Casio G-shock GA-B2100BEG-1ADR Rubber Strap Digital Analog Bluetooth Solar Watch for Men

"Case size (L× W× H): 52.3 × 49.3 × 15.2 mm
Weight: 57 g
Case and bezel material
Bio-based Carbon / Bio-based resin
Bio-based resin band
Shock Resistant
200-meter water resistance
Time adjustment
Bluetooth: Connects to a smartphone and automatically adjusts the time
Tough Solar (Solar powered)
Sensor feature
Step Count Measurement:
Step count display range : 0 to 999,999 steps 
Step goal progress display (step count goal setting range: 1,000 to 50,000, 1,000-step increments)
Step reminder （Inform you when your step count is too low, by display and beep）
Step indicator"