Audemars Piguet Royal Oak Offshore Chronograph (25721TIOO1000TI04) self – winding automatic watch, features a 42mm titanium case surrounding a blue Mega Tapisserie dial on a titanium bracelet with folding buckle. Functions include hours, minutes, small seconds, chronograph, tachymeter and date. This watch comes with the original box. F Serial. We back this watch with a 2-Year WatchBox warranty!