American pink gold open faced lever pocket watch Circa 1908

Gold keyless lever pocket watch 
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A very fine American 18K pink gold keyless pocket watch, circa 1908. A solid, polished case, hinged gold glazed cuvette. White enamel dial with painted radial Arabic numerals, outer minute track with five-minute red Arabic markers, sunk subsidiary seconds dial and blued steel spade hands. A nickel movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, and an index regulator. Dial, case and movement signed.
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Diameter: 47 mm
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Signed: Tiffany & Co.  New York
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Decoration of hairlines on the dial.
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Tiffany & Co, colloquially known as Tiffany’s, was founded in 1837 by the jeweller Charles Lewis Tiffany and became famous in the early 20th century under the artistic direction of his son Louis Comfort Tiffany. It is an American luxury jewellery and speciality design house headquartered on Fifth Avenue in Manhattan, New York.