Sustainably powered by any light with Citizen's proprietary Eco-Drive technology that never needs a battery; Stainless steel; sapphire crystal; Case size: 37mm; Fold-over clasp with push buttons; Water resistant to 5 ATM; Automatic Caliber 8210 movement with 42-hour power reserve & hack feature; Purple sunray dial with date display at 3 o'clock; Stainless steel link bracelet; Manufacturer's 5-year limited warranty + 1 additional year if you register your watch on Citizen.com; Photo may have been enlarged and/or enhanced; Imported