Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 77

Academia De Witt, Genève, ?Academia Perpetual Calendar Bi-Retrograde,? No. 32/50. Made in a limited edition of 50 pieces in 2007. Very fine, self-winding, water-resistant, 18K pink gold wristwatch with perpetual calendar, bi-retrograde day and date, phases of the moon and a De Witt 18K pink gold deployant clasp. Accompanied by the original box.

C. Three-body, polished and frosted, notched and stepped bezel, band with ?Imperial columns,? straight lugs, transparent case back with six nuts, sapphire crystals. D. Guilloche silver with printed Arabic numerals on a plain reserve, sectors for the retrograde day of the week at 9 and date at 3, subsidiary dial for the months and the leap year at 12, aperture for the phases of the moon at 6. Pink gold alpha hands. M. Cal. DW 10, stamped with the Seal of Geneva quality mark, fausses cotes decoration, 30 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator, 22K gold rotor. Dial, case and movement signed. Diam. 43 mm. Thickness 14 mm.