The Audemars Piguet Royal Oak Double Balance Wheel Openworked 15416CE.OO.1225CE.01 features a 41mm black ceramic case with a slim 9.7mm thickness and an approximate lug-to-lug distance of 48mm. It is paired with an integrated black ceramic bracelet and showcases an openworked skeleton dial in a slate-grey tone with pink-gold applied hour markers and Royal Oak hands filled with luminescent coating. The black ceramic bezel, case, and bracelet provide a modern, stealthy look contrasted by the warm rose-gold accents.