Featuring our Eco-Drive technology. Powered by light, any light. Never needs a battery.; Black-tone stainless steel; mineral crystal; Case size: 42mm; Foldover clasp closure with push buttons; Water resistant to 20 ATM; Caliber B612 chronograph movement; Black dial with date display at 3 o'clock; Tachymeter bezel & three sub-dials; Black stainless steel bracelet; 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