Elegant Swiss gold and enamel keyless dress watch Circa 1920

Gold open faced lever dress watch
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An elegant Swiss 18 Carat yellow gold and enamel keyless dress watch, circa 1920. The bezels and case back are decorated with blue enamel intersected by engraved gold foliage and a semi concealed hinge. Matte silver dial with champlevé radial Roman numerals, outer minute track, subsidiary seconds and blued steel double spade hands.
A rhodium-plated movement, Geneva striping decoration, 18 jewels, straight-line lever escapement, cut bimetallic compensation balance adjusted to seven positions, blued steel flat balance spring, index regulator. Dial and movement signed by Meylan, case punched A.W.C. Co.
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Diameter: 42 mm
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Signed: C. H. Meylan  Brassus