Audemars Piguet Royal Oak Quantieme Perpetuel Automatique

Royal Oak - Quantième Perpétuel Automatique Squelette" No.1 Audemars Piguet, Genève, "Royal Oak -Quantième Perpétuel Automatique Squelette",movement No. 1, case No. D56663, Ref. OR25636. Sold on September 11th, 1998. Very fine and rare, octagonal, astronomic, skeletonized, self-winding, water-resistant, 18K pink gold wristwatch with perpetual calendar, phases and age of the moon and an 18K pink gold Audemars Piguet bracelet with deployant clasp. Accompanied by certificate, an Audemars Piguet winding box and instruction booklet., CHF 35,000 - 45,000 USD 32,000 - 42,000 / EUR 22,000 - 28,000Sold: CHF 44,400 C. Three-body, solid, polished and brushed, octagonal bezel set with 8 hexagonal nuts embanked in 8 screws on the case back, correctors on the band, transparent case back, sapphire crystals. D. Transparent, subsidiary rose gold ring dials for the days of the month, of the week, the months and the age of the moon, aperture for the moon phases, outer minute track. Pink gold baton hands. M. Cal. 2120/2802, gilt, hand-engraved and skeletonized, 38 jewels, straight-line lever escapement, Gyromax type balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating flat balance spring, hand-engraved and skeletonized rotor with 21K gold segment. Dial, case and movement signed. Diam. 39 mm. Thickness 9 mm. Approx overall length 170 mm.