Nephrite, enamel, mother of pearl and diamond table clock, circa 1925, Lacloche Frères, Paris. photo courtesy Sotheby's

The carved nephrite frame, housing a black lacquer dial inlaid with mother of pearl, framed by patterned white enamel, the hands set with circular-cut diamonds, applied with Roman numerals set with rose-cut diamonds, manual winding movement, dial signed. Estimate 200,000—280,000 HKD. Lot Sold 250,000 HKD

Sotheby's. Magnificent Jewels & Jadeite, 06 Oct 10, Hong Kong www.sothebys.com