Audemars Piguet Royal Oak Offshore VOLCANO, Reference: 26170ST.OO.D101CR.01, Stainless Steel on a Alligator "Hornback" Strap with Matching Orange Stitching and a Stainless Steel Deployant Buckle, Automatic Movement(Caliber 3126/3840), Date Window at 3 O'clock, Chronograph, Black Waffle Dial with 3 Sub-Dials, Large ORANGE Luminous Arabic Hour Markers, ORANGE Rimmed Tachymeter Scale on Inner Bezel Ring, Diameter: 42 mm x 54 mm, Thickness: 14.2 mm, Sapphire Crystal, Water Resistant to 10 atm, Unworn sealed and New with Box and Papers (G Series from 2008)