Complicated minute repeating musical watch Circa 1820

Silver repeating cylinder watch with musical movement
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Very rare, complicated Swiss silver minute repeating cylinder pocket watch with musical movement, circa 1820. Very complicated movement, repeating hours, quarters and minutes, musical movement. Gear train and repeater movement in need of overhaul/restoration. White enamel dial with Arabic numerals and blued steel hands. Nobility crown to the case back, monogram underneath, signed RF & CIE, Swiss silver punch.
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Diameter: 65 mm
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Weight: 192 g
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Signed: No name
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The watch has an impressive size and is extremely rare in its technical design. Only a few pocket watches of this time already have a minute repeater. The combination with an additional music movement makes it a great rarity.