Swiss 18 carat yellow gold open faced dress watch Circa 1970

Gold lever open faced
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A fine and thin Swiss, 18 carat yellow gold dress watch, circa 1970. A polished and brushed case, yellow gold crown. Satiné gold dial with applied yellow gold baton indexes and white gold baton hands. Rhodium plated movement, 17 jewels, straight line lever escapement, monometallic compensation balance, blued steel flat balance spring, shock absorber, micrometre regulator. The case, dial and movement are signed.
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Diameter: 38.5 mm
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Signed: Corum  Swiss
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Accompanied by the fitted box