(Same) New Audemars Piguet Royal Oak Offshore 15407ST.OO.1220ST.01 Men's Mechanical Watch Calibre 3132 integrated movement, 41mm diameter, 9.9mm thickness Dark grey Dial shape: round Dial material: hollow dial, with rose gold fluorescent three-dimensional hour markers and Royal Oak hands Mirror material: anti-glare sapphire crystal glass mirror Crown material: stainless steel, screw-in crown Back: back, anti-glare sapphire glass mirror