Features proprietary Eco-Drive technology. Powered by light, any light. Never needs a battery.; Stainless steel; sapphire crystal; leather; Case size: 38.4mm; Buckle closure; Water resistant to 5 ATM; Quartz Caliber G872 movement; Blue dial; Midnight blue leather strap; Manufacturer's 5-year limited warranty + 1 additional year if you register your watch on Citizen.com = 6 years total; Photo may have been enlarged and/or enhanced; Imported