French gold quarter repeating pocket watch Circa 1804

Open faced pocket watch made by French master
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A gentleman’s extraordinary quarter repeating pocket watch made by an important French master, circa 1804.
18 Carat gold case, engine-turned, reeded band, pusher for repetition via pendant, slide to block the repeater. Signed enamel dial, Arabic numerals, blued Brequet hands. Full plate movement, keywind, frosted, gilt, signed, two hammers, two gongs, chain/fusee, cylinder escapement, three-arm ring balance, sector-shaped, skeletonized, florally engraved balance cock, chatoned diamond endstone on balance.
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Diameter: 55 mm
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Weight: 134 g
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Signed: Louis Berthoud a Paris
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Pierre Louis (Louis) Berthoud (1754-1813)
Pierre Louis (Louis) Berthoud began his apprenticeship with his father Pierre (1740-1767) at the early age of twelve. Such was his outstanding talent that his uncle Ferdinand Berthoud (1727-1807) took him to Paris, where Louis followed his uncle as Horloger de la Marine in 1807; upon his death in 1813 Motel – who had been his apprentice – took over the position. Motel was later succeeded by his nephews Louis and Charles Auguste.