Audemars Piguet Jules Audemars Tourbillon Chronograph Watch - 26346BC.OO.D002CR.0141 mm 18K white gold case, 13. 3 mm thick, glareproofed sapphire crystal back, glareproofed sapphire crystal, satin brushed black openworked dial with black counters and white gold hands, Calibre 2936 hand wound movement with tourbillon, chronograph, hours, minutes, small seconds, approximately 72 hours of power reserve, hand stitched large square scale black alligator strap, 18K white gold AP folding buckle. Water resistant to 20 meters.