Swiss 18k gold open faced minute repeating lever Circa 1915

Gold minute repeating lever watch by Paul Ditisheim
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A Swiss 18-carat gold open faced minute repeating pocket watch, circa 1915. Very fine calibre with lever escapement and minute repeater. White enamel dial with Arabic numerals and blued steel Breguet hands. Accompanied by the original box listing the Ditisheim records at chronometer competitions from 1896-1914. Plain case, Ditisheim punch. Case numbered, dial signed.
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Diameter: 51.5 mm
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Weight: 90 g
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Signed: Paul Ditisheim fabricant Chaux-de-Fonds