This Audemars Piguet Royal Oak 15407ST.OO.1220ST.02 is designed in a 41mm stainless steel case, the pink gold screws on the bezel add the finishing touch. The beautiful open-worked pink gold-toned dial contains white gold applied hour-markers and Royal Oak hands with luminescent coating. The watch includes a second balance wheel and balance-spring assembly on the same axis. The new patented geometry involves a complex manufacturing procedure with improved precision and stability. Crafted on a stainless steel bracelet with AP folding clasp.