Swiss 14K pink gold minute repeater with chronograph Circa 1915

Gold hunting cased keyless lever 
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A very fine Swiss, 14K pink gold hunting cased, keyless, minute repeating pocket watch with a chronograph, circa 1915. Accompanied by the original fitted wooden box.
A polished case, button at 12 for the start/stop and return-to-zero of the chronograph. Hinged gold cuvette.
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White enamel dial with Paris numerals, outer minute track and outermost fifths of second divisions, subsidiary seconds. Gold Louis XV hands. A rhodium-plated movement, Geneva striping decoration, 29 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, index regulator, repeating on gongs activated by a slide on the band. Case and movement signed.
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Diameter: 53 mm
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Signed: Zenith  Swiss