Casio Men's AMW320R-1EV Dual -time sport watch featuring luminous hands/markers, calendar/day function, and daily alarm Additional functions include: hourly time signal, 12/24 hour formats, 1/100 second, and dual-time stopwatch 45 mm stainless steel case with mineral dial window Quartz movement with analog-digital display Resin band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving.