Swiss gold plated chronograph with tachymeter Circa 1970

Gold lever pocket with date and moon phases
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A fine and rare Swiss, gold plated open faced keyless pocket watch, circa 1970.
A polished plain case, two register chronographs, tachymeter, date and moon phases. White enamel dial with Arabic hours, outer minute divisions, an outermost fifth of a second track and gold hands. Lever escapement. Dial is signed.
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Accompanied by a serviced paper in 2014 and a fitted box
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Diameter: 44 mm
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Thickness: 13 mm
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Signed: Heuer  Swiss