Cartier Chinese Mythical Creature Mystery Clock. Photo courtesy Sotheby's.

A large, very rare and important yellow gold, diamond, rock crystal, smokey quartz, onyx and black agate mystery clock circa 1995 case No 220932 HPSR 0289. 

With mechanical nickel lever jeweled movement, housed in one of the two substantial black agate stepped bases, connected by a rectangular piece of smokey quartz, two double smokey quartz columns with gold, onyx and diamond set capitals surmounted by two carved smokey quartz Chinese mythical creature, one to each column and centered by a large gold circular casing in gold and smokey quartz, rock crystal dial with gold and diamond set Roman numerals on onyx background, case signed and numbered; height 32cm. Estimation 1,560,000 — 2,800,000 HKD 

Sotheby's. Fine Timepieces & Jewels. Hong Kong | 06 Dec 2013 _ www.sothebys.com