Swiss rare 18k gold musical carillon pocket watch Circa 1810

Open faced horological important watch by Darier et Galopin
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A Swiss excellent, rare and horological important, 18k small musical “carillon” pocket watch with early pinned drum system and unusual dial, circa 1810.
Engine-turned 18 carat gold case, back centred with coronet surmounting initials “MD”; music activation push-piece in the pendant. Gold dial, elaborately decorated with engine-turning, with raised early Breguet numerals. Firegilt fully engraved Lepine-type calibre, cylinder escapement with gold balance, pin barrel with 6 vibrating blades.
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Diameter: 40 mm
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Weight: 47 g
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Signed: Darier et Galopin
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Samuel Darier et Louis Galopin were high end horologists and jewellers established on April 1, 1807 in Geneva, with a capital of 99,000 Swiss francs, a large sum at the time. A few years later they established themselves in Paris, at Rue Croix des Petits Champs. The company was dissolved March 15, 1812. On October 15,1817 Louis Galopin (Gallopin) with his two brothers, Andre and Jacques, established in Geneva and in Paris a company called Galopin Frères. Louis’ grandson, also Louis, in 1883 became the successor to the famous Henry Capt company, purchasing it outright in 1893. There is little doubt that the Louis Junior worked in his grandfather’s company. This watch is a testimony to the high standards he was committed to from the beginning of his watchmaking years, which eventually led him to produce some of the most complicated watches in the world.