German deck watch with up and down indicator Circa 1945

Silver deck watch with up and down indicator by A. Lange & Söhne
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A German silver deck watch with up and down indicator, circa 1945. Gilt finished 3/4 plate lever movement, bimetallic compensation balance, micrometer regulator. Silvered cuvette. Matte silvered dial with Arabic numerals, two engine turned subsidiary dials for up and down indication and constant seconds, blued steel spade hands. Polished case with inscription, hinged engraved back. Case, cuvette and movement signed and numbered.
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Diameter: 59.5 mm
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Signed: A. Lange & Söhne Glashütte I/SA