Lot 336. Attractive jadeite, coral, mother-of-pearl, enamel and diamond desk timepiece, Cartier, circa 1926.  Estimate 82,000 — 122,000 CHF. Photo Sotheby's.

The circular dial set with mother-of-pearl inlays, black enamelled hands and Roman numerals, the bezel composed of carved jadeite and accented with coral, diamonds and enamel, the onyx base embellished with carved jadeite and diamonds, dial signed Cartier, case signed European Watch & Clock, numbered, French assay and partial maker's marks.