Important Modern and Vintage Timepieces

Geneva, Mar 11, 2012

LOT 239

URBAN JURGENSEN TOURBILLON MINUTE REPEATER PROTOTYPE, PLATINUM Urban Jurgensen, Copenhagen, ?Tourbillon Minute Repeater?, No. 450. Prototype of only 3 examples made, sold on July 5th, 2004. Extremely fine and unique, minute-repeating, platinum wristwatch with one-minute tourbillon regulator and a stainless steel Urban Jurgensen deployant clasp. Accompanied by the original fitted wooden box and Certificate of Origin.

C. Two-body, solid, polished, stepped bezel, teardrop lugs, transparent case back with 6 screws, sapphire crystals. D. Two-tone silver, inner guilloche decoration, painted black radial Roman numerals on a plain reserve, outer dot minute division, open subsidiary dial for the seconds. Blued and gold fancy hands. M. 13???, ¾ plate, fi rst quality, rhodium plated, fausses cotes decoration, 38 jewels, lateral lever escapement, one-minute tourbillon regulator, tourbillon carriage under a polished steel bridge, monometallic balance, shock absorber, self-compensating fl at balance spring, repeating on gongs with 2 hammers by activating slide on the band. Dial, case and movement signed. Diam. 40 mm. Thickness 13 mm.