Art Deco Nephrite, Silver, Enamel and Diamond Desk Clock, Cartier, Paris. Photo Doyle

The square-shaped nephrite clock with Japonais corners, centering a circular gold-tone dial applied with sunburst radial engine-turned decoration, with black Roman numerals and railroad minute track, with fancy-shaped rose-cut diamond-set platinum hands, encircled by a gold-plated silver and silver bezel quartered by white enamel bands, topped by gold and white enamel attachments for a handle, key wind and key set, dial signed Cartier, France, round 8-day movement signed Made by Couet, attachments with French assay marks, no. 554, circa 1925. 2 5/16 x 2 5/16 x 1 1/16 inches. The movement is currently not running. Missing handle, keys and without box. Estimate $10,000-15,000

Similar examples: Barracca, J., Negretti, G., and Nencini. F., Le Temps de Cartier, p. 111; Chaille, F., Cologni, F., The Cartier Collection - Timepieces, p. 307.

Estate of Consuelo Vanderbilt Earl

Doyle New York. Important Jewelry. Monday, April 15, 2013 at 10am. http://www.doylenewyork.com