Audemars Piguet Royal Oak Perpetual Calendar Openworked 26585CE – Black Ceramic – Full Set
The interesting and in some ways nice aspect is that, even today, the Audemars Piguet brand is mainly known for its Royal Oak models, which were not considered at the time of the first presentation.
The features of this luxury second wrist watch Audemars Piguet reference 26585CE They are the following:
Skeleton perpetual calendar
Skeletonized dial in sapphire and the visible components of the movement in rose gold