Swiss minute repeating half hunter chronograph Circa 1910

Gold half hunting cased minute repeating lever by Lugrin
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A Swiss 18 carat gold half hunting cased minute repeating chronograph keyless lever pocket watch, circa 1910. Gilt finished lever movement, bimetallic compensation balance, minute repeating on two gongs activated by a slide in the band. Gold cuvette. White enamel dial with Roman numerals, outer calibrated 1/5th seconds ring, two sunken subsidiary dials for 30 minute register and constant seconds. Plain case, the front lid with central aperture revealing the dial surrounded by black enamel Roman hour numerals, chronograph button in the band. Movement signed under the hammer.
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Diameter: 54 mm
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Signed: A. Lugrin