Important Modern & Vintage Timepieces

Geneva, May 13, 2012

LOT 426

AUDEMARS PIGUET ROYAL OAK QUANTIÈME PERPÉTUEL STEEL AND PLATINUM, NO. 3/25 Audemars Piguet, "Royal Oak, Quantième Perpétuel Automatique", No. 3/25, movement. No. 374053, case No. D41973, Ref. 25636SP. Made in a limited edition of 25 examples in 1992, sold in 1994. Very fine and rare, octagonal, self-winding, water-resistant, stainless steel and platinum wristwatch with perpetual calendar, phases and age of the moon and a stainless steel Royal Oak bracelet with concealed deployant clasp. Accompanied by an Audemars Piguet Certificate of Origin.

C.Three-body, polished and brushed, octagonal bezel with 8 hexagonal recessed white gold nuts screwed to eight screws on the transparent case back, hexagonal winding crown, sapphire crystals. D. Blue, inner textured decoration, with applied white gold baton and dot indexes, subsidiary dials for the days of the month, of the week, the months and the age of the moon, aperture for the moon phases. White gold baton hands. M. Cal. 2120/4, rhodium-plated, fausses cotes decoration, 38 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating fl at balance spring, engraved and skeletonized rotor with 18K yellow gold rotor segment. Dial, case and movement signed. Diam. 39 mm. Thickness 10 mm. Approx. overall length 180 mm.