Swiss rose gold split seconds lever chronograph Circa 1900

Rose gold keyless lever chronograph with register by Ch. Léon Guinand
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A fine Swiss 14 carat rose gold open faced split seconds chronograph keyless lever pocket watch with register, circa 1900. Rhodium plated, 17 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, swan neck micrometer regulator, split seconds mechanism under the dial. Gold hinged cuvette. White enamel dial with Roman numerals, outer minute and outermost 1/5th seconds chronograph divisions, subsidiary dials for the seconds and 30 minute register, blued steel spade hands. Plain case. Dial and movement signed.
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Diameter: 49 mm
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Signed: C.L. Guinand Locle