Audemars Piguet Royal Oak Offshore Chronograph (25940SKOOD002CA02) self-winding automatic watch, features a 42mm stainless steel case surrounding a silver Tapisserie dial on a brand new black rubber strap with a stainless steel deployant buckle. Functions include hours, minutes, small-seconds, date and chronograph. This watch does not come with box or papers. F Serial. We back this watch with a 15-month warranty!