A watch inlaid with 186 emerald stones with a total weight of 160 carats, priced at 76.8 million Hong Kong dollars, is displayed at the 30th Hong Kong Watch and Clock Fair in Hong Kong Special Administrative Region on Sept 7, 2011. The five-day fair, the largest of its kind in the world, attracted more than 700 exhibitors from 12 countries and regions. [Photo/Xinhua]