Audemars Piguet Royal Oak Chronograph 41mm Mens Watch 26331IP.OO.1220IP.01. Titanium case, glareproofed sapphire crystal, polished 950 platinum bezel and links, screw-locked crown. 41 mm case width. Water Resistance 50 m. Case thickness 11mm. Slate grey dial with “Grande Tapisserie” pattern, blue counters, white gold applied hour-markers and Royal Oak hands with luminescent coating.Titanium bracelet with polished 950 platinum links and titanium AP folding clasp.