Exquisite Swiss Art Nouveau lever pendant watch Circa 1910

Gold, platinum, silver, enamel and diamond-set Art Nouveau watch by Longines
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An exquisite Swiss gold, platinum, silver, enamel and diamond-set Art Nouveau pendant watch, circa 1910. Retailed by Tiffany & Co, New York. Precision lever movement calibre Longines no. 2928611, calibre 10.85N. Gilt dial with Arabic numerals and blued steel hands. It comes with a matching enamelled necklace. Gold, platinum, silver, violet enamel engine turned case with applied platinum decoration, set with diamonds, signed Wittnauer & Co Swiss 131095. Dial signed by retailer, movement numbered and signed by the watchmaker.
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Diameter: 26.5 mm
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Signed: Tiffany & Co Swiss – Longines W. Co Swiss
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The company A. Wittnauer & Co. owned several agencies in the USA and Canada. They also delivered to Tiffany in New York. Exclusive watches of the Swiss companies Longines, Agassiz, Girard-Perregaux and Louis Audemars were offered.