Casio GA100-1A4 Male Dark Plastic 51MM Quartz Analog Chronograph Alarm Watch

Shock Resistant 200M Water Resistant Anti-Magnetic Structure 1/1000th Second Stopwatch with Speed Indicator Resin band with buckle closureWater resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving