Swiss 18 carat gold hexagonal dress watch with chain Circa 1958

Gold hexagonal-shaped dress watch
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An extremely rare Swiss 18 carat gold open faced hexagonal dress watch with original 18 carat gold watch chain, Prince Imperial, circa 1958. Bridge movement, Breveté Français S.G.D.G., quality Ultra Prima, Glucydur screw balance. Silvered dial with OCC marking, radial time indication in the upper half with gold hour batons, an outer minute track, and subsidiary seconds in the lower half. Dial signed Rolex Officially Certified Chronometer Swiss, case numbered, movement signed and numbered. Comes with the original presentation box.
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Dimensions: 37 x 41 mm
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Weight: 40 g
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Signed: Montres Rolex S.A. Geneva Swiss
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Reference: 8753.