PATEK PHILIPPE 18K POCKET WATCH MADE FOR TIFFANY & CO, 1918: Open face pocket watch of 18k yellow gold by Patek Philippe for Tiffany & Co. 18 jewel works marked eight 8 adjustment, No 185855 Made for Tiffany & Co by Patek, Philippe & Co. Switzerland, inside back dust cover marked 18k 185855, outside dust cover dedicated ''Edward F Looker from Muser Brothers in recognition of 25 years faithful service 1893 January 31, 1918'', inside back marked 18k Made for Tiffany & Co by Patek, Philippe & Co. Switzerland 185855, outer back monogrammed with stylized EFL. Muser Brothers were located at Greene and Broome Streets, New York City and were purveyors of curtains, linen and lace and obviously appreciated their employees. Replacement crystal, missing half of second hand but still visible, currently keeping time.