Very rare Swiss 14k gold World Time lever watch Circa 1945

Fine World Time watch by Agassiz
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A very rare, fine and large Swiss 14 carat gold open faced World Time keyless lever watch, circa 1945. Mechanical movement, 17 jewels. Silvered matte dial, three colour gold and engine turned wind rose, applied gold dot and Roman numerals, stylised gold hands, outer ring with black enamel names of 39 world locations, all centred by a revolving black and silvered ring calibrated for the Arabic diurnal and nocturnal 24 hours. Plain case, snap on back, case and movement signed. Comes with original fitted box.
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Diameter: 45.8 mm
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Signed: Agassiz Watch Co Swiss