The Audemars Piguet Royal Oak Tourbillon Chronograph Openworked ref. 26347OR.OO.1205OR.01 was introduced in 2017. This limited edition of 25 pieces features a pink gold case, which houses the open-worked caliber 2936 movement with tourbillon and chronograph. It is fitted with a matching pink gold bracelet.
Hand-wound, skeletonized chronograph movement with tourbillon escapement. Audemars Piquet caliber 2936 features 299 parts and its height is listed as 7.60mm. Audemars Piguet caliber 2889 is similar but finished in a different manner, features 295 parts and its height is listed as 8.07mm.
