French 18K rose gold repeating lever chronograph Circa 1890

Rose gold open faced minute repeating chronograph with register
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A very fine French 18 carat rose gold open faced minute repeating chronograph keyless lever pocket watch with register, circa 1890. Frosted gilt movement, 29 jewels, wolf’s tooth winding, counterpoised straight-line lever escapement, cut bimetallic compensation balance with peripheral temperature and meantime adjustment screws, blued steel Breguet balance spring with overcoil, index regulator, repeating on gongs activated by a slide on the band. Gold hinged cuvette. White enamel dial with Arabic numerals, outer minute track and Arabic five-minute numerals, outermost fifths of a second divisions, subsidiary seconds and 30-minute register dial, original gold spade hands. The case back with black enamel foliate monogram. Cuvette signed, case numbered.
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Diameter: 53 mm
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Signed: Mons B. Poitevin & V. Lejeune L. Gironde Succr. 22 Rue Vivienne Paris