Important Modern & Vintage Timepieces

Hong Kong, Oct 26, 2013

LOT 191

ROGER DUBUIS SYMPATHY BIRETROGRADE PERPETUAL CALENDAR PINK GOLD Roger Dubuis, Genève, "Sympathy - Bi-retrograde Perpetual Calendar," No. 76. Made in the early 2000s. Very fine, cushion shaped, astronomic, center seconds, self-winding, water-resistant, 18K pink gold wristwatch with bi-retrograde perpetual calendar, moon phases, age of the moon and an 18K pink gold Roger Dubuis deployant clasp.

Three-body, solid, polished and brushed, transparent case back with 8 screws and etched crystal, concave stepped bezel, sapphire crystals. Black with applied pink gold dart indexes, outer 1/5th seconds 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. Cal. RD 5707, stamped with the Seal of Geneva Quality Mark, rhodium-plated, fausses cotes decoration, 30 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.