Audemars Piguet Royal Oak Chronograph (26315STOO1256ST02) self – winding automatic watch, features a 38mm stainless steel case surrounding a ruthenium-toned 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. Scattered Serial. We back this watch with a 2-Year WatchBox warranty!