Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 306

Steel Wings 9-Day Tourbillon Chopard, Genève, ?L.U.C. Steel Wings? 9-Day Tourbillon, No. 24/30, case No. 1133805, Ref. 16/8963. Made in a limited edition of 30 pieces in 2004. Very fine and very rare, water resistant to 30 m, stainless steel chronometer wristwatch with 9-day power reserve, visible one-minute tourbillon regulator and a stainless steel Chopard double deployant clasp. Accompanied by the original wooden box, Chronometer Certificate, a signed wooden loupe, and booklets. To be sold without reserve

C. Three-body, transparent case back with 8 screws, concave lugs, sapphire crystals. D. Transparent with Roman XII, IIII, and VIII numerals and triangular indexes on a white reserve, outer minute track with 5-minute luminous markers, large central aperture to view the movement, aperture for the one-minute tourbillon regulator at 6 with subsidiary seconds hand on the tourbillon carriage. Luminous blued steel dauphine hands. M. Cal. LUC 1.02, one-minute tourbillon COSC-certified chronometer, 224 components, 4 barrels, fausses cotes decoration, 33 jewels, one-minute tourbillon regulator with lateral lever escapement under a steel wing tourbillon bridge, monometallic balance adjusted to heat, cold, isochronism and 5 positions, self-compensating Breguet balance spring. Case, dial and movement signed. Diam. 40 mm. Thickness 11 mm.