Swiss gold diamond set ring watch with automaton Circa 1810

Gold diamond set ring watch Attributed to Piguet & Capt.
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A very fine and extremely rare Swiss 18K. varicoloured gold and painted on enamel, rose-diamond set ring watch with two automata, circa 1810. Attributed to Piguet & Capt.
Oval movement with plain brass, fixed barrel, cylinder escapement, steel escape wheel, three curved arm rose diamond-set balance, flat balance spring. The automaton is driven by an independent five-wheel train and activated by a small lever on the side.
Case with oval top housing the watch and the automata, rose-cut diamond set bezel, the head is fitted to the hinged shank with runners and on its underside a shutter gives access to the winding and setting squares.
Eccentric white enamel dial, Breguet numerals, outer minute divisions. Blued steel Breguet hands. A varicoloured gold couple, she on a swing, he standing pushing the swing, a dolphin fountain curves around the visible, rose diamond-set balance. The whole mounted on an oval painted on enamel background with a garden.
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Dimensions: 38 x 24 mm
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Signed: Attributed to Piguet and Capt, Geneva
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This type of automaton ring watch is extremely rare;  this is probably the only scene of its type. Particularly enchanting is the delicate swinging movement. Piguet & Capt. Isaac Daniel Piguet (1775 – 1841) and Henry Capt (1775 – 1841) were partners from 1802 to 1811. They specialized in musical and automaton watches but also made very fine musical pieces with automata. Two small musical movements with five tuned teeth, playing tunes on five notes, were among their first, made in 1802. In 1811 Piguet became associated with Meylan, forming another famous firm, Piguet et Meylan.