$128,400
18K White Gold Tourbillon Orbital, Piece Unique Jean Dunand, Tourbillon Orbital, No. IO1886. Sold in November 2006. Unique 18K white gold wristwatch with revolving one-minute flying tourbillon, reverse moon phase indication and back-wind and an 18K white gold Jean Dunand buckle. Accompaned by the original certificate, instruction leaflet, original wooden fitted box containing gloves, a loupe and various tools and a travel case. Massive, two-body, polished, engraved caseback with 8 specially milled screws, folding back-wind, aperture for the moon phase with quick set function, 3 sapphire crystals including two in the band one for movement viewing, the other for power reserve indication. Black, center engine-turned, outer minute divisions, aperture for the revolving one-minute tourbillon cage. Luminous hands. Cal. IO200 by Christophe Claret, 14 jewels, revolving one minute flying tourbillon combined with constant seconds, rotating movement double ball-bearing triple rotation using one rigid plate and two mobile plates, mainspring barrel and going train rotate around the central ball-bearing system. Dial, case and movement signed. Diam. 45 mm, thickness 17 mm.
Auctioneer:
Antiquorum
Date:
2009-09-17
