Swiss gold hunting cased minute repeating lever Circa 1915

Gold minute repeating lever watch
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A fine Swiss 18-carat gold hunting cased minute repeating pocket watch, circa 1915. Frosted gilt movement, 28 jewels, straight-line lever escapement, cut bimetallic compensation balance with winged arms, blued steel Breguet balance spring, index regulator, repeating on two gongs activated by a slide in the band.
White enamel dial with Arabic numerals, outer minute track, subsidiary seconds. Black spade hands. Accompanied by the original box with a listing of the Ditisheim records at chronometer competitions from 1896-1914. Plain polished case.
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Diameter: 49 mm
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Signed: No name