Important Collectors Wristwatches, Po...

Geneva, Nov 14, 2009

LOT 177

Pink Gold Hommage Biretrograde Perpetual Calendar Roger Dubuis, Horloger Genevois, ?Hommage Biretrograde Perpetual Calendar?, movement No. 246, No. 12/28, Ref. HO43 5710 S. Made in a limited edition of 28 examples circa 2002. Very fine and rare, water resistant, self-winding, 18K pink gold chronometer wristwatch with biretrograde perpetual calendar, leap year indication, moon phases and an 18K pink gold Roger Dubuis deployant clasp. Accompanied by fitted box, guarantee, Certificate of Origin, Bulletin d?Observatoire and push pin.

C. Three-body, solid, polished and brushed, concave bezel, straight curved lugs, transparent case back with 6 screws, sapphire crystal. D. Three-color mother-of-pearl with applied pink gold Arabic numerals and baton indexes, inner minute track, retrograde sectors for the date and the day, subsidiary dial for the month, apertures for the moon phases and the leap year indication, outside graduation for the week indication. Pink gold skeletonized alpha hands. M. Cal RD5710, rhodium-plated, stamped twice with the Geneva Quality Mark, fausses cotes decoration, 25 jewels, straight line lever escapement, monometallic balance adjusted to five position, monometallic balance, shock absorber, self-compensating flat balance spring, swan-neck regulator. Dial, case and movement signed. Diam. 43 mm. Thickness 15 mm.