French gold quarter repeating miniature pendant watch Circa 1850

Gold cylinder pocket watch by Bassot
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An extremely rare French, thin, 18K yellow gold, quarter repeating miniature pendant watch, circa 1850. An engine-turned spring-loaded back cover, gold hinged engraved cuvette. White enamel dial with painted radial Roman numerals, outer minute divisions. Yellow gold Breguet hands. A frosted gilt movement, eleven jewels, cylinder escapement, three-arm gilt balance with fl at balance spring, repeating on gongs through a pull-and-twist piston in the pendant. Case signed.
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Diameter: 26.5 mm
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Signed: Bassot  Paris
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Chipped under the bezel, not visible when closed.