Swiss gold minute repeating keyless pocket watch Circa 1900

Gold watch with chronograph and register
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A very fine Swiss 18 Carat gold minute repeating, a keyless pocket watch with chronograph and register, circa 1900. A polished case, hinged gold cuvette. White enamel dial, four-piece with Breguet numerals, outer minutes and fifths of a second division, red-painted 24-hour numerals, subsidiary dials for the seconds and 30-minute register. Blued steel tapered baton hands. A frosted gilt movement, 31 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel Breguet balance spring, micrometre regulator, repeating on gongs activated by a slide on the band, visible chronograph work, co axial chronograph button in the crown.
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Diameter: 53 mm
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Signed: LeCoultre  Swiss