Citizen Eco-Drive Men's JY8037-50E Navihawk A-T Watch Imported Atomic timekeeping watch with 43 world cities, mini digital display, and four chronograph subdials 48 mm stainless steel case with anti-reflective mineral crystal Eco-drive is fueled by light so it never needs a battery Japanese quartz movement with analog-digital display Stainless steel-plated band featuring deployant clasp with push-button closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving