Omega Seamaster Planet Ocean 600M Chronograph 45.5mm 215.30.46.51.01.001-35174

This watch features a 45.5mm stainless-steel case, stainless-steel bracelet, rotating bezel with ceramic insert, front sapphire crystal, and sapphire crystal exhibition caseback. Screw-down crown, helium escape valve, and caseback. 600-meter water resistance. Black dial with luminous hands and markers, and chronograph, date, and time zone functions. Powered by Omega automatic co-axial master chronometer caliber 9900 with 60-hour power reserve. 22mm lug width.