German 14 carat gold open faced lever watch Circa 1915

Gold gentlemen’s pocket watch 
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A fine German 14 carat gold open faced keyless pocket watch with original certificate and presentation box made by A. Lange & Söhne in Glashütte, circa 1915. The ¾ plate gilt finished jewelled lever movement with a bimetallic compensation balance and swan neck regulator. White enamel dial with Breguet hour numerals, an outer minute track, subsidiary seconds at 6 o’clock, a sunk center and gold Louis XV hands. A plain Louis XV case with gold cuvette. Case and movement signed and numbered, cuvette numbered, dial signed.
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Diameter: 52.5 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.