Swiss stainless steel keyless pocket watch Circa 1980

Stainless steel lever by IWC
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A fine Swiss stainless steel keyless pocket watch, circa 1980.  Accompanied by a leather pouch and black rope chain. Stainless steel polished case, enamel dial with radial Roman hours, subsidiary seconds and black baton hands. Gilt movement with Geneva striping decoration, lever escapement. Dial and movement are signed.
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Diameter: 48 mm
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Signed: International Watch Co., Schaffhausen