Swiss gold and enamel mandolin form watch circa 1925

Gold and enamel mandolin form watch
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A Swiss yellow gold and enamel mandolin form keyless lever watch, circa 1925, jeweled nickel movement, cylinder escapement, plain three-arm balance, index regulator, hinged gilt cuvette.
White enamel dial, Roman numerals, Arabic numerals to the outer ring, yellow gold case, finely engraved, decorated with flower and foliage in black champleve enamel to the front and back, dial and movement signed, cuvette numbered.
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Diameter: 31 x 64 mm
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Signed: LeCoultre & Co.