AUDEMARS PIGUET ROYAL OAK OFFSHORE "LAS VEGAS STRIP" LIMITED EDITION 400EX Reference: 26186SN. Serial number: 157 / 400 - n°G59716. PVD steel case. Black dial with three counters (seconds, minutes and hour totalizer). Automatic mechanical movement (calibre 3126 / 3840). Leather strap with folding clasp signed Audemars Piguet. Sapphire crystal. Circa 2010. Diameter: 42 mm. A stainless steel wristwatch automatic movement, by Audemars Piguet. Circa 2010.