86,400 CHF
Malte Tonneau Tourbillon Vacheron Constantin, Genève, "Malte Tonneau Tourbillon", No. 914800, case No. 739677, Ref. 30066R-8816. Made in 2001. Extremely fine and rare, tonneau-shaped, water-resistant, 18K pink gold wristwatch with visible one-minute tourbillon regulator, 42-hour power reserve, date and an 18K pink gold Vacheron Constantin buckle. Accompanied by certificates and manuals. Three-body, solid, polished, fluted lugs, transparent case back with 4 screws, sapphire crystals. Sunray guilloche silver with satiné center, subsidiary dials for the hours and minutes, the date at 2, the up-and-down indication at 10, aperture for the tourbillon cage under a polished steel bridge, carrying the subsidiary seconds hand. Faceted pink gold épée hands. Cal. 1790, rhodium-plated, fausses cotes decoration, 27 jewels, lateral lever escapement with one-minute tourbillon regulator with Maltese Cross-shaped steel cage, monometallic balance, shock absorber, self-compensating Breguet balance-spring. Dial, case and movement signed. Dim. 36 x 46 mm. Thickness 12 mm. Notes What is a Tourbillon regulator? A Tourbillon is a regulating mechanism in which the escapement of a movement is housed within a revolving carriage. It was developed in an effort to attain better precision. When a watch is in a vertical position, the force of gravity will speed the balance wheel as it moves in its downward (arc) direction and slow it as it moves upward, creating deviational errors of timekeeping. By
Auctioneer:
Antiquorum
Date:
2008-05-11
