French gold, enamel and pearl set form watch Circa 1840

Gold mandolin-form watch
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A fine French gold, enamel and pearl mandolin-form watch, circa 1840, gilt verge movement, fusee and chain, pierced and engraved balance cock.
White enamel dial, Arabic numerals, mandolin-form gold case, translucent red enamel over guilloché centered by a pearl bordered aperture to view the balance, all bordered by pearls, the back with translucent blue enamel over guilloché centered by a gold and green enamel branch with an open music sheet, further bordered by black enamel and pearls, movement signed.
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Length: 65 mm
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Signed: Kugler