Pre-Owned Omega Seamaster Planet Ocean Chronograph (22105000) self-winding automatic watch, features a 45.5mm stainless steel case surrounding a black dial on a black rubber strap with a stainless steel deployant buckle. Functions include hours, minutes, small-seconds, date, helium release valve and chronograph. This watch comes complete with box and papers. We back this watch with a 15-month warranty!