Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 84

White Gold "Sympathy Bi-Retrograde Perpetual Calendar", No. 1 Roger Dubuis, Genève, "Sympathy - Bi-Retrograde Perpetual Calendar," No. 57, case No. 01/28. Made in a limited edition of 28 pieces in 2001. Very fine, ?carré lobé,? astronomic, center seconds, self-winding, waterresistant, 18K white gold chronometer wristwatch with bi-retrograde perpetual calendar, moon phases and an 18K white gold Roger Dubuis buckle. Accompanied by a fitted box, Certificate of Origin, chronometer certificate, warranty and setting pin.

C. Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, concave stepped bezel, screwed bars, sapphire crystals. D. Matte silver with painted Arabic numerals, outer 1/5 minute track, subsidiary dial at 6 for the months with aperture for the leap years, on the sides, sectors for the retrograde days of the week and of the month, at 12 aperture for the moon phases. White gold alpha hands. M. Cal. RD 5710, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 25 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, selfcompensating Breguet balance spring, swan-neck micrometer regulator. Dial and movement signed. Dim. 38 x 38 mm. Thickness 10 mm. Property of an East Coast collector