Swiss 18k gold keyless lady’s miniature brooch watch Circa 1930

Gold watch with champlevé enamel and sapphire-set
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A fine and rare Swiss, 18K gold miniature, enamel and sapphire-set, keyless lady’s pendant watch with 18K gold and sapphire-set brooch fitting, circa 1930. A polished bezel and band, the back cover engine-turned with a sunray pattern and set with a single sapphire, the front with blue champlevé enamel Arabic numerals. Bow brooch fitting set with 15 sapphires. Gold brushed centre dial, black baton hands. A rhodium-plated movement, 15 jewels, straight-line lever escapement, bimetallic compensation balance, index regulator. Movement signed.
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Diameter: 18 mm
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Signed: UTI Watch Co.  Swiss
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The case has some scratches