Rare Swiss 18 carat gold keyless lever pendant watch Circa 1900

Gold open faced keyless lever by Breguet
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A very fine and rare Swiss 18 carat gold open faced keyless lever pendant watch, circa 1900. Frosted gilt movement, bar calibre, 17 jewels, wolf’s tooth winding, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. Gold hinged cuvette. White enamel dial with Breguet numerals, outer minute track, subsidiary seconds and original gold Breguet hands. Solid, polished case. Dial, case and cuvette signed, case numbered. Accompanied by the original Breguet fitted box.
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Diameter: 34 mm
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Signed: Breguet 815