Important Modern & Vintage Timepieces

New York, Dec 15, 2015

LOT 87

ROGER DUBUIS REF. S34.5637.5 SYMPATHY BI-RETRO PERPETUAL CHRONO PINK GOLD Roger Dubuis, Horloger Genèvois, "Sympathie - Bi-Retrograde Perpetual Calendar Chronograph Chronometer," movement No. 73, case No. 196920, Ref. S34 5637 5. Made in 1998. Sold July 13, 2001. Very fine and rare, "cushion shaped, water-resistant, 18K pink gold "Bulletin d'Observatoire" Chronometer wristwatch with square button chronograph, register, bi-retrograde perpetual calendar, moon phases and an 18K pink gold Roger Dubuis buckle. Accompanied by the original fitted box, certificate of origin, COSC certificate and setting pin.

Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, correctors on the band, lapidated bezel, curved lugs with screw bars, sapphire crystals. Two-tone black with applied pink gold pyramidal indexes, outer 1/5th seconds track, subsidiary dials at 12 for the months and the leap years, at 9 for the seconds and 3 for the 30-minute register, on the sides, sectors for the retrograde days of the week and of the month, aperture for the moon phases. Pink gold alpha hands. Cal. RD 5637, stamped with the Seal of 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, swan neck micrometer regulator.