Swiss gold hunting cased split seconds lever watch Circa 1955

Gold full hunter by Heuer & Co
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A fine Swiss 18 carat gold hunting cased split seconds keyless lever pocket watch, circa 1955. Mechanical movement, 17 jewels. White enamel dial, outer calibrated fifth seconds ring with Arabic fifth division, two engine turned subsidiary dials for 30 minute register and constant seconds. Polished case, coin edged band, split seconds chronograph operate through the crown and a band in the button, second button to open front case, hinged case back. Case, dial and movement signed, case numbered.
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Diameter: 58 mm
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Signed: Ed. Heuer & Co 125 éme Swiss