Seiko Men's Black Ion Finish Nylon Strap Solar Chronograph Watch Imported Solar-powered watch in stainless steel featuring dark dial with bright orange hands, indices, and chronograph subdials Case diameter: 44.5mm,Case depth: 14.5mm with Hardlex dial window Japanese quartz movement with analog display Nylon band with buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving