Citizen Eco-Drive Men's AW1361-01E Sport Stainless Steel Watch with Leather Band Silver-tone watch featuring black dial with date window and markers for 12/24-hour time and 60-seconds 45 mm silver-tone case with mineral dial window Eco-Drive technology is powered by light so it never needs a battery Japanese quartz movement with analog display Leather band with contrast stitching and buckle closure Water resistant to 100 m (330 ft): In general, suitable for swimming and snorkeling, but not scuba diving