40,800 CHF
Cintrée Curvex - Quantième Perpétuel Biretro Franck Muller, Genève, "Cintrée Curvex - Quantième Perpétuel Biretro", Chronographe, Ref. 6850 CC QPB. Made circa 2003. Very fine, tonneau-shaped and curved, self-winding, water-resistant, 18K white gold wristwatch with olive-shaped button chronograph, bi-retrograde perpetual calendar, leap year indication, moon phases and an 18K white gold Franck Muller buckle. Two-body, solid, polished and brushed, engraved case back with 4 screws, domed sapphire crystal. Guilloche silver with painted stylized Arabic numerals, subsidiary dials for the 12-hour and 30-minute registers, the months, sectors for the retrograde date and week, aperture for the leap year and moon phases. Luminous blued steel lozenge hands. Cal. 5888 BR, rhodium-plated, fausses cotes decoration, 45 jewels, straight line lever escapement, monometallic balance adjusted to temperatures, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Dim. 34 x 47 mm. Thickness 14 mm. Notes What is a Perpetual Calendar? A perpetual calendar is a calendar mechanism which, unlike a simple calendar, automatically adjusts to the correct day of the month by accounting for the varying durations of each month, as well as self-correcting for the 29th of February during leap years. Audemars Piguet are said to have been the first firm to produce wristwatches with perpetual calendar and moon phases in 1924. In 1925, Patek Philippe modified a lady’s pendant
Auctioneer:
Antiquorum
Date:
2008-05-11