Swiss 18K gold repeating keyless chronograph Circa 1910

Gold hunting cased lever watch
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A fine and large Swiss 18 carat gold hunting cased minute repeating keyless pocket watch with chronograph and register made by Volta, Maurice Ditisheim in La Chaux-de-Fonds, circa 1910. The frosted gilt brass movement, ∅ 48 mm, with 19 jewels, a straight line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, an index regulator, centrifugal governor and chronograph with visible work, repeating on gongs activated by a push piece in the band. White enamel dial with Arabic hour numerals, an outer minute track with fifth of a second divisions and Arabic five minute numerals, subsidiary seconds at 9 o’clock, a 30 minute register at 3 and original gold Breguet hands. The polished case with a push piece in the band at 4 o’clock and a hinged gold cuvette engraved with medals awarded in different exhibitions. Cuvette and case signed.
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Diameter: 58 mm
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Signed: Volta