UK-listed Watches of Switzerland falls on US tariffs on Swiss imports
** Shares in Watches Of Switzerland Group WOSG.L down 7.6% to 323.8p, lowest level since April 7 ** Biggest pct loser on FTSE midcaps .FTMC, which is down 0.9% ** 35%-40% of watch retailer's revenue is likely to be impacted by tariffs imposed on Swiss imports to U.S. - Jefferies ** Co sells watches from Swiss brands, including Rolex, in the U.S. ** Stock down about 42% so far this year (Reporting by Prerna Bedi in Bengaluru) ((Prerna.Bedi@thomsonreuters.com; +91 98052 24616;))