German silver and gold keyless pocket watch Circa 1915

Silver open faced lever watch
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A fine German silver and gold open faced keyless pocket watch made by A. Lange & Söhne in Glashütte, circa 1915. A polished case with gold hinges and hinged silver cuvette. White enamel dial with black Breguet hour numerals, an outer minute track, subsidiary seconds at 6 o’clock, a sunk center and gold spade hands. The frosted gilt ¾ plate movement with a straight line lever escapement, gold escape wheel and pallet fork, cut bimetallic compensation balance, blued steel Breguet balance spring and swan neck micrometre regulator. Dial, case and movement signed.
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Diameter: 54 mm
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Signed: Deutsche Uhrenfabrikation I/SA Glashütte  A. Lange & Söhne
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Deutsche Uhrenfabrikation, often abbreviated as DUF, is a historical brand and quality designation for pocket watches, introduced in 1878 by the renowned manufacturer
A. Lange & Söhne in Glashütte. The brand was founded to offer sturdier, more affordable pocket watches that nevertheless met the high quality standards of Glashütte.