An Edwardian 18 Karat Yellow Gold, Platinum, Diamond and Enamel Pendant Watch Necklace, Hass Neveux & Co., 27.00 mm case diameter, matte silvered dial signed HAAS NEVEAUX & CO., Arabic numerals, blued steel spade hands, inner bezel accented with purple enamel band, coin edge crown with cabochon cut synthetic sapphire, the reverse surmounted with an openwork plaque containing five rose cut diamonds over translucent purple enamel on an intricate guilloche ground, stem wound and set manual wind movement, pendant suspended from matching gold, platinum and purple guilloche enamel chain.Inner case back stamp: 0.750 HN&C 103500.Accompanied by a box signed Haas Neveux &Co. 16.40 dwts.