Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 172

Audemars Piguet Skeletonized Royal Oak ? Perpetual Calendar - Automatic Audemars Piguet, Genève, "Royal Oak - Quantième Perpétuel Automatique," No. 3/25", case No. D 41928. Made in a limited edition of only 25 pieces circa 1996. Very fine and rare, octagonal, astronomic, skeletonized, self-winding, water-resistant, 18K pink gold and platinum wristwatch with perpetual calendar, phases and age of the moon and an 18K pink gold and platinum Audemars Piguet link bracelet with deployant clasp.

C. Three-body, solid, polished and brushed, octagonal platinum bezel set with 8 hexagonal nuts embanked in 8 screws on the transparent case back, sapphire crystals. D. Transparent, subsidiary white ring dials for the days of the month, of the week, the months and the age of the moon, aperture for the moon phases at 6. Pink gold baton hands. M. Cal. 2120/ 4, gilt brass, hand-engraved and skeletonized, 38 jewels, straight line lever escapement, Gyromax balance adjusted to heat, cold, isochronism and 5 positions, shock absorber, self-compensating free-sprung flat balance spring, hand-engraved and skeletonized rotor with 21K gold segment. Dial, case and movement signed. Diam. 39 mm. Thickness 9 mm.