Important Modern & Vintage Timepieces

Hong Kong, Jun 27, 2015

LOT 627

AUDEMARS PIGUET ROYAL OAK PERPÉTUEL CALENDAR PLATINUM Audemars Piguet, "Royal Oak, Quantième Perpétuel Automatique," No. 020, case No. D42115. Made in the late 1990s. Very fine and rare, octagonal, self-winding, water-resistant, platinum wristwatch with perpetual calendar, phases and age of the moon and a platinum integral Royal Oak link bracelet with concealed deployant clasp.

Three-body, polished and brushed, octagonal bezel with 8 hexagonal recessed white gold nuts screwed to eight screws on the case back, hexagonal winding crown, sapphire crystal. Textured blue with applied white gold baton 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. 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 flat balance spring, engraved and skeletonized rotor with 21K yellow gold rotor segment.