German gold cased pocket watch in quality 1A Circa 1870

Gold hunting cased pocket watch
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A very fine German Glashütte hunting gold cased pocket watch in quality 1A in 18 carat gold case, circa 1870.
Enamel dial, roman numerals, glazed movement,  3/4 plate movement, gold screw compensation balance.

Made expressly for “E. E. Isbell & Co., Cincinnati” we find engraved on the dome: an American retailer from the last quarter of the 19th century.
Delivered to E. E. Isbell & Co. in Cincinnati,
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Diameter: 53 mm
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Weight: 134 g
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Signed:  J. Assmann  Glashütte