Audemars Royal Oak Chronograph (26331STOO1220ST01) self – winding automatic watch, features a 41mm stainless steel case surrounding a blue Grande Tapiserrie dial on a stainless steel bracelet with folding buckle. Functions include hours, minutes, small seconds, date and chronograph. This watch comes complete with the original box and papers. K Serial. We back this watch with a 2-Year WatchBox warranty!