Audemars Piguet, Royal Oak, a gentleman's 18 carat pink gold wristwatch, circa 2010, ref. 16299, no. 0873, the three piece screw down case with octagonal bezel and back, the black dial, with subsidiary dials, power reserve (up and down), date alternate 12 hours, day and night moon phase, baton numerals and hands, 33 jewel Audemars Piguet automatic movement adjusted to cold heat isochronism and five positions, cal. 21C no. 2329, the case 50mm including lugs, on a black strap