Important Modern & Vintage Timepieces

New York, Dec 08, 2010

LOT 307

Roger Dubuis - White Gold Sympathy - bi-Retrograde Perpetual Calendar - Chrono Roger Dubuis, Genève, "Sympathy - Bi-retrograde Perpetual Calendar," No. 13/28, movement No. 90. Made in a limited edition of 28 pieces in 2003, sold June 4th, 2004. Very fine and rare, cushion shaped, astronomic, center seconds, self-winding, water-resistant, 18K white gold "Bulletin d'Observatoire" wristwatch with bi-retrograde perpetual calendar, moon phases, age of the moon and an 18K white gold Roger Dubuis buckle. Accompanied by the original fitted box, Certificate of Origin and a strap spare. Factory serviced in March 2009.

c. Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, concave stepped bezel, sapphire crystals. d. Mother of pearl with applied white gold dart indexes, outer 1/5th seconds track, subsidiary dials at 12 for the months and the leap years, on the sides, sectors for the retrograde days of the week and of the month, at 6 graduation for the age of the moon concentric with the aperture for the moon phases. White gold feuille hands. m. Cal. RD 5772, stamped with the Seal of Geneva quality mark, rhodium-plated, fausses cotes decoration, 23 jewels, straightline lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, swan-neck micrometer regulator. Dial, case and movement signed. Dim. 40 x 40 mm. Thickness 14 mm