Important Modern & Vintage Timepieces

Hong Kong, Mar 19, 2016

LOT 54

DEWITT ACADEMIA QUANTIEME PERPETUEL BI-RETROGRAPH PINK GOLD De Witt, Genève, Academia Quantieme perpetuel, No. 32/50, Ref AC 7001.53.M702. Made in a limited edition of 50 pieces in the 2000s. Very fine and rare, self-winding, water-resistant, 18K pink gold wristwatch with bi-retrograde perpetual calendar, leap years indication, moon phases and 18k pink gold Dewitt deployant clasp. Accompanied by the original fitted box (damaged) and a service repair paper dated 2011.

Three-body, solid, polished and brushed, notched pink gold bezel, straight lugs with screwed bars, band with "Imperial Column" decoration, transparent pink gold back with 6 screws, sapphire crystals. Silver with painted radial Arabic and Roman numerals, dots indexes, minute division, inner guilloche yellow with silvered sectors for the retrograde days of the week and the retrograde date, subsidiary silver dial for the months and leap year indication at 12, aperture for the moon phase indication at 6. Pink gold skeletonized hands. Cal 10, stamped with the Geneva seal, "Cotes de Genève" decoration, rhodium-plated, straight line lever escapement, shock absorber, flat balance-spring, monometallic balance, swan-neck regulator, gold micro-rotor.