Rare German silver lever Glashütte pocket watch Circa 1855

Silver open faced key wind gentlemen’s watch
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An important, historically interesting and extremely rare German silver open faced gentleman’s pocket watch made by A. Lange and Friedrich Gutkaes in Dresden, circa 1855. The smooth case with an engine turned band. White enamel dial with Roman hour numerals, an outer minute track, subsidiary seconds at 6 o’clock and blued spade hands. The frosted gilt 2/3 plate movement with a lever escapement, blued screws,
a heavy gold screw compensation balance, blued balance spring and gold lever and escape wheel.
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Diameter: 52 mm
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Weight: 108 g
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Signed: Gutkaes & Lange Dresden