Important Watches, Pocket Watches and...

Noga Hilton Hotel, Nov 13, 2005

LOT 20

?Bi-retrograde Perpetual Calendar? Roger Dubuis, horloger genevois, "Homage", Bi-Retrograde Perpetual Calendar, No. 23. Made in a limited edition of in the late 1990s. Fine and rare, circular, water-resistant, astronomic, 18K yellow gold gentleman's with bi-retrograde perpetual calendar, moon phases and an 18K yellow gold Roger Dubuis deployant clasp. Accompanied by the original fitted box and certificate.

C. Three-body, solid, polished and brushed, transparent screw down case back with ?RD? monogram, concave bezel, downturned lugs,sapphire crystals. D. White enamel with applied yellow gold dot indexes, sectors for the retrograde days of the week and the retrograde days of the month, aperture for the moon phases. Faceted yellow gold "Alpha" hands. M. Cal. 5707, stamped with the Geneva Quality Hallmark, rhodium-plated, 'fausses côtes'decoration, 30 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shockabsorber, self-compensating flat balance-spring, micrometer regulator. Dial, case and movement signed. Diam. 37 mm. Thickness 11 mm.