Important Modern and Vintage Timepieces

New York, Jun 08, 2011

LOT 90

Roger Dubuis - Pink Gold - Hommage - Bi-Retrograde - Perpetual Calendar Roger Dubuis, Horloger Genèvois, "Hommage Bi-Retrograde Perpetual Calendar Chronometer," No. 13/28, movement No. 184, Ref. HO43 55710 5 N94.12. Made in a limited edition of 28 examples in 2004. Very fine and rare, water-resistant, 18K pink gold chronometer wristwatch with bi-retrograde perpetual calendar, moon phases, leap year and 52 week indicators and an 18K pink gold Roger Dubuis deployant clasp. Accompanied by a fitted box, certificate of origin, COSC certificate, instruction manual and setting pin.

C. Three-body, solid, polished and brushed, transparent case back with 6 screws, correctors on the band, concave bezel, curved lugs, sapphire crystals. D. Mother-of-pearl with applied pink gold Arabic numerals, outer 1/5th second track and 52 week indicator, subsidiary dial at 6 for the months, on the sides, sectors for the retrograde days of the week and the date, apertures for the moon phases at 12 and the leap year at 6. Pink 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, self-compensating flat balance spring, swan neck micrometer regulator. Dial, case and movement signed. Diam. 44 mm. Thickness 15 mm.