Lot 144. An art deco silver, enamel, onyx and diamond-set quarter repeating and petite sonnerie striking desk clock with electrically illuminated dial, by Cartier. Estimate £25,000 - £35,000. Courtesy Bonham's. 

The rectangular case decorated with blue guilloché enamel with rose-cut diamond floral motifs to the sides, the onyx dial with Roman numerals and fine rose-cut diamond hands, within an enamel strung border, the onyx handle and repeat button at the top, mounted on an onyx base, signed Cartier, numbered 3732, movement numbered 17457, 11.7cm x 8.5cm x 7.5cm, fitted maker's travelling case containing electrical cord and activating button, drawer for battery power source at base.

Bonham's. London Jewels, December 4, 2019 2:00 PM GMT