Important Collectors' Wristwatches, P...

Hong Kong, Jun 27, 2009

LOT 435

Pink Gold Hommage ? Bi-Retrograph Perpetual Calendar Roger Dubuis, Horloger Genèvois, "Hommage - Bi-retrographe Calendar Chronograph", movement No. 83. Made in the 2000s. Very fine, 18K pink gold, water-resistant, chronometer wristwatch with round-button chronograph, pulsations scale, bi-retrograde perpetual calendar, moon phases and an 18K pink gold Roger Dubuis buckle.

C. Three-body, solid, polished and brushed, screw-down transparent case back, concave bezel and lugs, sapphire crystals. D. Cream enamel with applied pink gold dot hour indexes, outer minutes and 1/5th seconds scale, outermost pulsations scale, red Arabic five-second numerals, subsidiary dials for the seconds, 30-minute register, months and 4-year cycle, on the sides, sectors for the retrograde days of the week and of the month, at 6 the aperture for the moon phases. Pink gold half-frosted alpha hour and minute hands, blued steel skeleton feuille calendar hands. M. Cal. RD 5637, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 26 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, swan neck micrometer regulator. Dial, case and movement signed. Diam. 37 mm. Thickness 13 mm.