French 20K gold and guilloché enamel pocket watch Circa 1828

Gold open faced cylinder watch
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A very fine and thin French 20 carat gold pocket watch, circa 1828. Sold to Capitaine Baudon on November 18th, 1828. Accompanied by a Breguet box, a Breguet extract from the archives and a winding key. A guilloché enamel back cover and band, gold hinged cuvette with winding and regulating apertures. Silver dial, Roman chapters, outer dot minute divisions, guilloché enamel centre and blued steel Breguet hands. Gilt brass movement, bridge calibre, ruby cylinder escapement, plain, three arm balance with parechute on the top pivot, with blued steel flat balance spring, escapement jewelled. Signed on the dial and cuvette, movement numbered on the pillar plate under the dial.
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Diameter: 88 mm
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Thickness: 9 mm
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Signed: Brequet  Paris
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Accompanied by a Breguet box, archives and winding key
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Breguet is a Swiss luxury watch, clock and jewellery manufacturer founded by Abraham-Louis Breguet in Paris in 1775. Headquartered in L’Abbaye, Switzerland, Breguet is one of the oldest surviving watchmaking brands and a pioneer of numerous watchmaking technologies such as the tourbillon, which was developed into a practical solution by Abraham Breguet in 1801. Abraham Breguet also invented and produced the world’s first self winding watch (the Perpétuelle) in 1780, as well as the world’s first wristwatch in 1810.