The Audemars Piguet Skeleton Replica is a high quality watch from the Royal Oak family. It features an automatic movement with a caliber AP 3132 and a power reserve of 60 hours. The case is made of 904L stainless steel and has a sapphire crystal. It is 41.00 mm in size and 09.09 mm in thickness. The bracelet is also made of 904L stainless steel and has an AP folding clasp. The dial is steel with stick/dot indices and Royal Oak hour markers. The watch has a double balance and is water-resistant up to 30m.