A CARTIER ONYX AND MOTHER-OF-PEARL SUNBURST DESK CLOCK, the circular dial composed of mother-of-pearl segments with gilt hands, within a polished onyx border with black onyx, gilt and black enamel geometric detail, with shaped rock crystal supports and onyx plinth with gilt feet, quartz movement, the reverse signed Cartier, no. 200872. 16cm high
For a similar example, see Doyle New York, Important Jewellery, 15 April 2013, Lot 347.