Swiss nickel deck lever watch of the Kriegsmarine Circa 1944

Nickel open faced lever watch
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An IWC deck watch of the Kriegsmarine, with extract from the archives, circa 1944.
A nickel case, original dome, IWC precision lever movement, deck chronometer calibre 67, No. 1068751, fine adjusting device, original luminous dial, blued steel hands, original back with national emblem was destroyed after the war and replaced by neutral steel back, in very good condition, with extract from the archives.
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Diameter: 57 mm
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Weight: 130 g
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Signed:  IWC  Schaffhausen