[Audemars Piguet Watches] Ceramic ring version AudemarsPiguet Royal Oak Offshore Limited Multifunction Chronograph Mechanical Watch size 44MM17MM ring is consistent with the original use of high-quality ceramic ring crown hexagonal ceramic material The top is made of wiredrawing and polishing technology The watch body is more domineering and leaky against the background of the transparent back cover The gray-black fully automatic is very layered Coupled with the inlaid gemstones on the surface of the watch core