German 18 K gold Glashütte pocket watch Circa 1917

Hunting cased pocket watch by A. Lange & Söhne
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A very fine A.Lange & Söhne Glashütte gold hunting cased pocket watch quality 1A, very rare and flat special edition, circa 1917.
18 carat gold case in the shape “Imperial” with integrated hinges and 3 gold lids; A. Lange & Söhne precision lever movement quality 1A, very flat edition (also noted in the extract of the archive), with gold lever, gold escape wheel, fine adjusting device and screwed gold chatons; original gold dial with Roman hours, sunk subsidiary dial with Arabic seconds and blued Breguet steel hands. Dial and movement signed. Case and movement with matching numbers. Very fine collector’s watch with extract of the archive.
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Diameter: 51 mm
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Weight: 97.5 g
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Signed: A.Lange & Söhne Glashütte