Important Collectors' Wristwatches, P...

New York, Dec 09, 2009

LOT 44

Equation of Time ?Vienna? Audemars Piguet, Genève, "Jules Audemars, Sunrise - Sunset - Equation du Temps," movement No. 549976, case No. F 68064, Ref. 25934BC. Made in a limited quantity each year since 2000. Very fine and important, astronomic, self-winding, water-resistant, 18K white gold wristwatch with perpetual calendar, leap year, moon phases, sunrise and sunset adjusted for the city of Vienna, equation of time, 40-hour autonomy and an 18K white gold Audemars Piguet deployant clasp. Accompanied by fitted winding box, setting pin, warranty, and instruction booklet.

C. Three-body, solid, polished and brushed, transparent case back with 5 screws, engraved bezel with graduation for the equation of time and Vienna latitude of 12 h 23?, straight lugs, sapphire crystals. D. Guilloche silver with applied white gold radial Roman numerals on a plain reserve, subsidiary dials for the days of the month, of the week at 6, 12-hour sunrise dial at 9 and 24-hour sunset dial at 3, aperture for the leap year at 1, the months and aperture for the moon phases at 12. White gold feuille hands. M. Cal. 2120/4, rhodium-plated, fausses cotes decoration, 41 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 skeletonized rotor with 21K gold segment. Dial, case and movement signed. Diam. 39 mm. Thickness 12 mm.