18k yellow gold wrist watch by Tiffany with a sapphire crown, circa 1915 and is 18mm in diameter. Golden metallic dial with black Arabic numerals and minute markers signed Tiffany & Co. Switzerland. 18k yellow gold snap back case with sapphire crown. 15 jewel, 3 adjustment movement by Longines, serial number 3273550. Case and movement signed made for Tiffany & Co. by Longines Watch Co. Switzerland, dial just signed Tiffany. Watch is in good working condition.