Automatic mechanical movement chronometer certified watch for men. Features a black dial displaying analog time with luminous silver-tone arrow-shaped hands and index hour markers Arabic numerals at the 3,6,9,12 positions Minute markers on the outer bezel. Equipped with an Omega calibre 8400 automatic movement beating at 25200 vph offering approximately 60 hours power reserve Co-axial escapement technology. Case and bracelet are crafted from stainless steel A unidirectional rotating coin edge bezel includes a black ceramic top ring for elapsed time tracking Sapphire crystal provides scratch resistance A screw down crown secures the sapphire exhibition case back enhancing water resistance up to 300 meters / 1000 feet Dimensions: round case measuring 41mm diameter and 14.65mm thick with band width of 21mm fitted with a deployment clasp Luxury watch style, Swiss Made. Part of the Seamaster 300 Series Includes anti-magnetism feature.