Small American pink gold keyless pendant watch Circa 1890

Gold lady’s watch with engraved monogram
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A small American 18 carat pink gold lady’s keyless pendant watch, circa 1890. A polished case with a transparent hinged gold cuvette, back engraved inside July 26th, 1890 from Adrian, covered with engraved monogram. White enamel dial with radial Arabic numerals, outer minute track with five-minute red Arabic markers and blued steel spade hands. Rhodium-plated movement, Geneva striping decoration, seventeen jewels, counterpoised straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator. Dial, case and movement signed.
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Diameter: 33 mm
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Signed: Tiffany & Co.  New York
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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.