Fine and rare German gold key less lever watch Circa 1925

Fine and rare gold hunting cased watch
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A fine and rare German yellow gold hunting cased key less lever watch, circa 1925, Marke DUF, gilt three quarter plate movement, gold lever escapement, bi metallic compensation balance, micrometer regulator • 14 carat gold cuvette numbered and inscribed.
Double sunk white enamel dial, Arabic numerals, subsidiary seconds, yellow gold polished Lucia style case with intials on the back, case, dial and movement signed, cuvette numbered, together with a gold chain.
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Diameter: 53 mm
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Signed:  A. Lange & Söhne   Glashütte
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Presentation case and certificate confirming sale in 1925