Important Modern & Vintage Timepieces

Hong Kong, Jun 25, 2010

LOT 412

Audemars Piguet Quantieme Perpetuel Ultra-Th in Audemars Piguet, ?Quantieme Perpétuel?, No. 26, movement No. 244016, case No. B 63090. Made in the 1980s. Very fine and rare, very thin, keyless, 18K yellow gold dress watch with perpetual calendar, moon phases and lunar calendar.

C. Three-piece, ?variée?, polished and brushed, stepped curved bezel, brushed band, hinged bow, cabochon sapphire set winding crown, sapphire crystal. D. White with painted radial Roman numerals, outer minute track, subsidiary dials for the months and 4-year cycle, days of the week and date, aperture for the moon phases with lunar calendar. Blued steel cathedrale hands. M. Cal. 5020, rhodium-plated, fausses cotes and oeilde- perdrix decoration, 20 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating flat balance spring, shock absorber. Dial, case and movement signed. Diam. 47 mm. Thickness 8 mm.