The Mondani Collection of Rolex Wrist...

Geneva, May 14, 2006

LOT 569

Pink Gold "Sympathie Chronograph Bi-retrograde Perpetual Calendar" Roger Dubuis, Genève, "Sympathie Chronograph Bi-retrograde Perpetual Calendar", No. 73. Made in a limited edition in 1999. Very fine, ?carré lobé?, astronomic, water-resistant, 18K pink gold "Bulletin d'Observatoire" gentleman's wristwatch with bi-retrograde perpetual calendar, moon phases and age, square button chronograph, register and an 18K pink gold Roger Dubuis buckle. Accompanied by a 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 enamel with gold dot indexes, painted gold outer minute track, subsidiary seconds and 30- minute register 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, graduation for the age of the moon and aperture for the moon phases at 6. Pink gold "alpha" hands. M. Cal. RD 5637, stamped with the Seal of Geneva Quality Mark, rhodium plated, ?fausses-côtes? decoration, 21 jewels, straight line lever escapement, monometallic balance adjusted to 5 positions, shock-absorber, self-compensating Breguet balance-spring, micrometer regulator. Dial, case and movement signed. Dim. 38 x 38 mm. Thickness 12 mm.