Swiss 18k yellow gold keyless pocket watch Circa 1980

Yellow gold hunting cased watch
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A very fine thin Swiss 18K yellow gold, keyless hunting cased watch, circa 1980. Accompanied by a fitted box and certificate. Hinged gold cuvette.
White enamel dial with applied yellow gold radial Roman numerals, gold baton hands.
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Rhodium-plated, Geneva striping decoration, 20 jewels, straight-line lever escapement, monometallic balance adjusted to three positions, self-compensating flat balance spring, shock absorbers. Dial, case and movement signed.
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Diameter: 48 mm
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Signed: Rolex  Swiss