The new APS Audemars Piguet Royal Oak Offshore model 15407ST.OO.ST.01 men s mechanical watch features a Calibre 3132 integrated movement with a 41mm case diameter. It has a deep gray dial, round dial shape, and is made of a skeletonized dial design. This watch is complemented by luminous three dimensional hour markers and Royal Oak hands. The crystal material is anti reflective treated sapphire glass, and it has a finely screwed in crown. The transparent case back features an anti reflective sapphire glass surface.