Swiss gold hunting cased chronograph pocket watch Circa 1920

Gold chronograph pocket watch
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An 18 carat gold hunting cased keyless pocket watch. Made by Longines Saint-Imier, Switzerland Circa 1920. Frosted gilt movement with monometallic balance, straight-line lever escapement, self-compensating Breguet balance spring and polished steel index regulator.
Solid polished case covers with hinged gold cuvette signed: Longines chronograph. Push button on the pendant to open front cover and push button at 12 to activate, stop and return the chronograph.
White enamel dial with painted black Arabic numerals, outer minutes and 1/5 seconds divisions and subsidiary dials for the seconds at 9 o’clock and 30-minutes registers at 3 o’clock. Blued steel Breguet hands.
Dial and movement signed.
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Diameter: 51.5 mm
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Weight: 91 g
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Signed: Longines
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Reference 0017000