German gold lever with 30h power reserve indicator Circa 1880

Gold lever pocket watch for the American market
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A very fine Glashuette hunting cased pocket watch by A. Lange & Söhne, manufactured in quality 1A, circa 1880.
An 18 carat pink gold pocket watch with 30h power reserve indicator for the American market, engine turned, enamel dial, roman numerals, subsidiary dial.
Glazed movement, 3/4 plate movement, gold screw compensation balance.
All in very good condition.
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Diameter: 53 mm
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Weight: 120 g
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Signed:  A. Lange & Söhne  Glashütte