Swiss yellow gold enamel and diamond set watch Circa 1920

Gold, enamel and diamond set miniature pendant watch
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A Swiss yellow gold, enamel and diamond set miniature open faced keyless lever pendant watch, circa 1920, nickel lever movement, bimetallic compensation balance, gold cuvette.
Cream enamel dial, blue Breguet style numerals, the case with a finely painted enamel portrait to the reverse depicting a young lady garlanded with flowers, rose cut diamond set border, enamel rim to the front, case numbered, stamped FB, cuvette signed, movement signed by the retailer.
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Diameter: 25 mm
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Signed: Golay Leresche & Fils Genève