French gold half-quarter repeating pocket watch Circa 1810

Gold and enamel open faced
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A French 18 carat yellow gold and enamel open faced keywinding pocket watch, made by Breguet in Paris, circa 1810. Half-quarter repeater with special striking train, ter à toc by one large hammer for the hours and on one steel gong by a second small hammer for the half-quarters, activated by depressing the pendant. An Empire case with blue champlevé enamel decoration showing two classical profile busts, allegories of the Sun and the Moon, a winged hourglass between, a gold star and crescent moon border and a fluted case band.
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A gold engine turned dial with radial Roman numerals on a plain reserve, outer dot minute markers, eccentric subsidiary seconds dial at 4 o’clock and blued steel Breguet hands with skeletonised tips. A Robin detent lever escapement, gilded brass, skeletonised and partly engraved bridges, free standing going barrel, Robin detent lever escapement with a roller engaging the fork of the lever, monometallic balance with three arms and blued steel flat hairspring, index regulator with temperature compensating bimetallic curb. Signature on the dial and Cuvette by Breguet, Movement by Lallemand.
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Diameter: 58 mm
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Signed: Breguet, Paris