Swiss 18 carat pink gold keyless pendant watch Circa 1908

Gold watch made for Tiffany & Co.
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A Swiss 18 carat pink gold keyless pendant watch by Longines, Saint-Imier, circa 1908. A polished case back with an engraved monogram N.E.C. in the center. White enamel dial with revolving radial Arabic numerals, subsidiary seconds at 6 and blued steel Breguet hands. A nickel plated, ¾ plate movement, going barrel, straight line lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel flat hairspring, polished steel index regulator. The dial, case and movement are signed.
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Diameter: 29.5 mm
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Weight: 22 g
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Signed:  Longines  Saint-Imier