Seiko Men's SBEB001 Prospex Stainless Steel Watch with Black Band Round stainless steel watch with digital dial featuring three daily alarms, world time for 35+ cities, and power-saving functions 46 mm stainless steel case with hardlex dial window Japanese quartz movement with digital display Polyurethane band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving