Audemars Piguet Royal Oak Offshore Volcano reference 26170ST.OO.D101CR.01. Steel Case. Automatic chronometer chronograph AP calibre 3126/3840, 50 hour power reserve, 59 jewels and 22ct gold Monobloc oscillating weight, 365 parts. Brushed and polished steel case, 42mm diameter water resistant to 100 meters, steel bezel, eight hexagonal recessed nuts. Black dial with "MegaTapisserie" pattern, black sub-dials, Orange Arabic numeral hour-markers and Orange Tachymeter. Black croc strap with orange stitching and AP folding clasp. Box and papers dated December 2008.