Audemars Piguet Royal Oak Ultra Thin (5402ST) self-winding automatic watch, features a 39mm stainless steel case surrounding a black Tapisserie dial on a stainless steel bracelet with folding buckle. Functions include hours, minutes, seconds and date. This watch has been serviced and does not come with box or papers. A Serial. We back this watch with a 2-Year WatchBox warranty!