Important Collectors' Wristwatches, P...

New York, Dec 09, 2009

LOT 329

Roger Dubuis Platinum Roger Dubuis, Genève, "Sympathie Bi-retrograde Perpetual Calendar," No. 01/28, No. 95, case No. 198021, Ref. S 37 5707 8. Made in a limited edition of 28 examples in 2000. Very fine, square-cambré, astronomic, water-resistant, "Bulletin d'Observatoire" platinum wristwatch with bi-retrograde perpetual calendar, moon phases and an 18K white gold Roger Dubuis deployant clasp. Accompanied by the original fitted box, an extra solid platinum case back, Certificate of Origin, Chronometer Certificate and accessories.

C. Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, concave stepped bezel, sapphire crystals. D. White enamel with applied white gold square indexes, subsidiary seconds and 30-minute register 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, graduation for the age of the moon and aperture for the moon phases at 6. White gold alpha hands. M. Cal. RD 5707, stamped with the Geneva Quality Mark, rhodium plated, fausses cotes decoration, 21 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, micrometer regulator. Dial, case and movement signed. Dim. 38 x 38 mm. Thickness 10 mm.