Swiss 18 carat gold open faced lady’s pendant watch Circa 1910

Gold lever watch with engraved monogram
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A fine Swiss, keyless, 18K gold lady’s pendant watch, circa 1910. Specially made for J. E. Caldwell & Co., Philadelphia. A hinged case back with monogram, gold cuvette. White enamel dial with painted Breguet numerals, outer minute track, sunk subsidiary seconds dial. Gold spade hands. A rhodium-plated movement, 16 jewels, straight-line lever escapement, cut bimetallic compensation balance, flat balance spring. Movement signed, dial, case and movement also signed by the retailer.
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Diameter: 30 mm
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Signed: Vacheron & Constantin  Genève