Swiss gold ring watch with musical movement Circa 1810

Gold pearl-set ring watch attributed to Piguet & Capt.
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A Swiss 18K rose gold, enamel and pearl-set musical ring watch, circa 1810. Cylinder movement.
White enamel dial with Arabic numerals. A case with a pearl-set bezel, visible rectangular and diamond-set balance wheel.
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Signed: No name
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This watch is a fine example of a musical ring combined with a watch retaining its original presentation box and key.
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Henry-Daniel Capt was an independent Swiss watchmaker who specialized in watches with additional complications such as musical watches and automatons. Capt was one of the first in Geneva to use barrels and crowns in his automatons. He was born in Chenit in the Vallée de Joux in April 1773, as the son of Jaques Samuel Capt and Susanne Piguet. His brother was Charles Samuel Capt. On January 1st, 1796, he married Henriette Piguet. In the Vallée de Joux, Capt trained as an établisseur. Around 1789, Henry settled in Geneva and worked for renowned companies such as Jaquet-Droz, Godet, Leschot and his brother-in-law Daniel Isaac Piguet. In 1802 he went into partnership with Daniel Isaac Piguet, which lasted until 1811. When this partnership ended, Capt kept producing his pieces before entering another partnership with Aubert et Fils in 1830 as Aubert & Capt, located in Place Bel-Air, Geneva. The firm was taken over by his son, Henry Capt, in 1844. He opened a shop on the Rue du Rhône in 1855, which quickly gained an excellent reputation. During the 1870s, the Henry Capt company advertised that they were the only Geneva watch manufacturer to have a branch retail house in London. He also established branches in Paris, Nice and New York. The house of Henry Capt flourished for many decades. Henry-Daniel Capt died in 1841.
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Isaac Daniel Piguet was born in 1775 in Le Chenit in the Vallée de Joux, he was the son of Pierre Moïse Piguet and Elisabeth Nicole. He married Jeanne Françoise Capt around 1795 and around 1800 settled in Geneva with his family. Piguet went into business with Henry Daniel Capt, his brother-in-law, on February 10, 1802. Later on, he met another watchmaker from his native region, Philippe Samuel Meylan and they entered into a partnership, founding the Piguet & Meylan firm, which was to last from 1811 to 1828. After the association between Piguet & Meylan came to an end Piguet and his son David Auguste established a new company, Piguet père & fils, located at 69, Rue Jean-Jacques Rousseau. Isaac Daniel Piguet died in Geneva, on January 20, 1841, at the age of 66.