Important Collectors’ Wristwatches, P...

New York - The Fuller Building, Dec 07, 2006

LOT 146

Pink Gold "Sympathie - Bi-retrograde Perpetual Calendar" Roger Dubuis, Genève, "Sympathie - Bi-retrograde Perpetual Calendar", No. 76. Made in a limited edition in 1999. Very fine, ?carré lobé?, astronomic, center seconds, self-winding, water-resistant, 18K pink gold "Bulletin d'Observatoire" gentleman's wristwatch with bi-retrograde perpetual calendar, moon phases and moon age and an 18K pink gold Roger Dubuis buckle. Accompanied by a fitted box and certificate.

C. Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, concave stepped bezel, sapphire crystals. D. Black with square pink gold indexes, painted gold outer minute track, subsidiary dials at 12 for the months and the leap years, on the sides, sectors for the retrograde days of the week and of the month, at 6 graduation for the age of the moon concentric with the aperture for the moon phases. Pink gold "alpha" hands. M. Cal. RD 5707, stamped with the Seal of Geneva Quality Mark, rhodium-plated, ?fausses côtes? decoration, 30 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating Breguet balance spring, ?swan-neck? micrometer regulator. Dial and movement signed. Dim. 38 x 38 mm. Thickness 10 mm.