[Audemars Piguet Watches] Ceramic ring version AudemarsPiguet Royal Oak Offshore Limited Multifunction Chronograph Mechanical Watch size 44MM17MM[ring] ring is consistent with the original use of high-quality ceramic ring [handle] crown hexagonal ceramic material 7750 modified 3126 fully automatic chronograph mechanical movement [watch mirror] The watch mirror is made of high-quality sapphire glass mirror [watch case] is made of high-quality 316 stainless steel Xin case [watch strap] with high-quality fluororubber strap Original pin buckle Tough guy must-have artifact After multiple processes of polishing and frosted treatment Finally, AP's unique octagonal bezel expresses sharp and angular lines Audemars Piguet entry-level watch highly recommended