Swiss hunting cased lever chronometer pocket watch Circa 1920

Chronometer pocket watch 
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A very fine 18 Carat yellow gold hunting cased keyless lever chronometer pocket watch. Accompanied by a yellow metal long chain and made by the International Watch Co., Schaffhausen Switzerland Circa 1920. Four body, bassine and polished case with hinged gold cuvette.
White enamel dial with Breguet numerals, outer minute track, subsidiary seconds and blued steel Breguet hands. Matte gilt movement with 18 jewels, four in screwed chatons, straight-line lever escapement, cut bimetallic compensation balance and a blued steel Breguet balance spring with terminal curve. Dial, case, cuvette and movement signed.
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Diameter: 51 mm
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Signed: International Watch Co.