The latest Audemars Piguet, ceramic ring version AP Audemars Piguet Royal Oak Offshore Limited Multi-Function Chronograph Mechanical Watch size 44m / 17m [ring] ring is consistent with the original, imported ceramic ring [handle] crown It is made of hexagonal ceramic material and the top is brushed and polished. [Movement] The movement is in a transparent back cover. The gray-black automatic rotor is very layered, and the gems are inlaid on the surface of the movement. () Change to 3126 fully automatic chronograph. Mechanical movement [Mirror] The mirror is made of imported sapphire glass. [Case] ​​is made of imported 316 fine steel. The case [Strap] is matched with an imported fluororubber strap and the original pin buckle has been polished and frosted through multiple processes. Expressing AP's unique octagonal bezel with sharp angular lines, Audemars Piguet's entry-level multi-functional mechanical watch,