Swiss 18K gold and enamel lady’s pendant watch Circa 1915

Gold Belle Epoque pendant watch with long chain
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An elegant 18K gold and enamel Belle Epoque lady’s keyless pendant watch, circa 1915. With mother of pearl dial and matching gold and enamel chain. Accompanied by the original fitted box. The case is overlaid with rich blue enamel with white line borders and the back cover’s transparent enamel over an engraved floral motif. Guilloche mother-of-pearl dial with Breguet numerals, outer minute dots and gilt Louis XV hands.
A frosted gilt movement, nine 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: 30 mm
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Signed: Vacheron & Constantin  Swiss