Tiffany & Co., an 18ct gold seed pearl enamel and diamond-set openfaced keyless pendant watch made for Tiffany & Co. by the Longines Watch, company mvt 2349159 case by Wittnauer & Co no 1067 circa 1915 Nickel lever movement, 17 jewels, gilt dial, Arabic numerals, blued steel Breguet hands, circular case with powder blue guilloche enamel decoration comprising white enamel bezels, scrolled pendant, case back, pendant and bow decorated with rose diamond ornaments, dial signed Tiffany & Co., movement signed Longines, case signed Wittnauer & Co., suspended from a platinum mounted and seed pearl lattice necklace and geometric terminal set with old European-cut diamonds, diameter 28 mm, length of chain approximately 400 mm.