Swiss gold, enamel, and diamond pendant watch Circa 1889

Gold, enamel, and diamond-set pendant watch 
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A Swiss yellow gold, enamel, and diamond-set pendant watch in a contract case movement made in 1889, retailed by Tiffany & Co., lever jeweled movement with lever escapement.
White enamel dial, Breguet numerals, blued steel hands, 18k yellow gold contract case, solid case back with green enamel vines flanking and diamond-set fleur-de-lis, with matching pierced brooch pin, movement signed by maker, dial signed by retailer, case numbered.
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Diameter: 28 mm  Overall length with pin: 64 mm
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Signed: Tiffany & Co. New York
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With an Extract from the Archives confirming the sale of the movement and dial only in 1891.