Rare Swiss silver lever watch with world time dial Circa 1925

Silver World Time watch
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Rare Swiss silver open faced World Time lever pocket watch, circa 1925. Nickel plated Omega export movement, lever escapement. Rare white enamel dial with Arabic numerals, indication of time for Stockholm and 10 other cities, Stockholm time in the center with a red inscription and blued steel hands. Engine turned case, vacant cartouche on the back, Omega punch.
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Diameter: 49 mm
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Weight: 77 g
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Signed: Omega