Swiss 18k gold repeating musical pocket watch Circa 1815

Gold cylinder pocket watch
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A very fine Swiss 18K gold, quarter-repeating musical watch with music playing on the hour or at will, circa 1815. Engine-turned and polished, ribbed band, bolt at 1 o’clock to lock the repeat and at 7 to activate the music Hinged gilt brass cuvette. White enamel dial, radial Roman numerals, outer minute track. Blued steel Breguet hands. Gilt brass two-train, with standing barrel for the going train, inverted cylinder escapement, plain gold three-arm balance, flat balance spring, index regulator, repeating on gongs activated by depressing the pendant. Sur plateau musical movement, 21 tuned, vibrating blades acting on both sides of the pinned disc, music/silence lever at the edge of the cuvette beneath the back cover. Cuvette and movement punched with makers’ mark.
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Diameter: 57 mm
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Signed: Piguet et Meylan  Geneva