French 18k gold quarter repeating cylinder watch Circa 1820

Gold open faced with independent dead seconds
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An extremely fine and rare French 18K gold triple-train quarter-repeating pocket watch with independent dead-seconds, circa 1820. A polished, reeded band. Gilt cuvette hinged to the movement ring, bolt at 1 o’clock for blocking the repeater, the lever at 3 to start/stop dead seconds. White enamel dial, radial Arabic numerals, outer minute/dead-seconds track with five-minute Arabic numerals. Blued steel Breguet hands. Gilt brass, standing barrels, cylinder escapement, jewelled three-arm gold balance, both pivots jewelled, flat blued steel balance spring, index regulator, repeating on gongs activated by depressing the pendant. Dial and cuvette signed.
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Diameter: 57 mm
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Signed: Lépine a Paris
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This watch utilizes an unusual dead centre seconds system by Lépine.