Swiss gold ‘Precision’ ring watch made by Rolex Circa 1950

Pink gold ‘Precision’ ring watch
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A fine 18 Carat pink gold ‘Precision’ ring watch made by Rolex, Genève, circa 1950. Two body, solid, polished and circular case with the ring connected to segmented lugs.
Silver dial with applied yellow gold baton indexes and ink gold dauphine hands. Rhodium-plated movement with 17 jewels, straight-line lever escapement, monometallic balance, shock absorber and self-compensating flat balance spring.
Dial, case and movement signed.
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Diameter: 47 mm
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Thickness: 9 mm
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Ring size 5 ¾
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Signed: Rolex, Precision