Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 251

Pink Golden Square Perpetual Calendar Roger Dubuis, Horloger Genevois, Golden Square - Perpetual Calendar, ?Bulletin d'Observatoire," No. 23/28, Ref. G40 5739. Made in a limited edition of 28 pieces in 2004. Very fine, square, curved, astronomic, self-winding, waterresistant, 18K pink gold wristwatch with perpetual calendar, moon phases and an 18K pink gold Roger Dubuis buckle. Accompanied by the original fitted box, Certificate of Origin, chronometer certificate, guarantee and setting pin.

C. Two-body, solid, polished and brushed, transparent case back with 8 screws, straight lugs, screwed bars, sapphire crystals. D. Matte silver with painted large radial Roman numerals, concentric minute track, subsidiary guilloché dial for the date, apertures for the days of the week, the months, the moon phases and the leap year. Blued steel spade hands. M. Cal. RD 5739, 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. Dim. 40 x 40 mm. Thickness 12 mm.