English 18K gold lever watch with power reserve Circa 1882

Gold lever by Armstrong Brothers
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A heavy English 18K open faced lever pocket watch with a power reserve indicator, circa 1882. The watch features an 18K gold case with an engraved monogram. Both the case and movement have a matching number, specifically No. 1301. The dome is signed. The lever movement of the watch is equipped with a large gold screw balance, which is a rare feature. The original enamel dial showcases Roman radial hours, an outer minutes track, a subsidiary dial for seconds, and a subsidiary dial with a rare power reserve indicator. The hands of the watch are made of blued steel.
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Diameter: 50 mm
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Weight: 115 g
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Signed: Armstrong Brothers Manchester HM 1882
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The item is fully functional and in good condition, with only minor indications of wear on the case.