Swiss 18 carat gold and enamel cylinder pocket watch Circa 1850

Gold decorative full hunter 
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A very fine Swiss 18 carat gold and enamel hunting cased pocket watch made in the style of early watches by Patek & Czapek, circa 1850. The bar movement with a cylinder escapement. White enamel dial with Roman hour numerals, outer minute divisions and moon hands. The case with translucent dark blue enamel on both sides, a reeded band and relief flowers at the rim, the front set with rose cut diamonds, and exquisite enamel work on the back, showing a pair of birds inlaid in gold, finely chased and seated on an enamelled rose branch, punched with maker’s mark BF. Case numbered.
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Diameter: 34 mm
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Weight: 30 g
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Signed: No name