Swiss gold Longines watch with two complications Circa 1930

Gold chronograph with instantaneous 30-minute register
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A fine, Swiss 18 carat yellow gold open faced keyless lever chronograph pocket watch with instantaneous 30-minute register, circa 1930-1932. Rhodium-plated movement with going barrel, straight-line lever escapement, Geneva striping, monometallic balance with gold poising screws, self-compensating hairspring with a terminal curve, and an index regulator. White enamel dial, steel Breguet hands, two subsidiary dials. Round-shaped cased pocket watch, subsidiary seconds at six and two horological complications: 1/5 second chronograph, activated by the round push-piece located on the winding-crown, instantaneous 30-minute recorder, subsidiary dial at 12 o’clock.
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Signed dial, case and movement.
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Diameter: 48.5 mm
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Signed: Longines