Swiss yellow gold keyless dress watch Circa 1968

Yellow gold keyless dress watch
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A very fine 18 Carat yellow gold keyless dress watch made by Patek Philippe, Genève Circa 1968. Two body, bassine and polished case with a curved band.
Matte silver dial with painted radial Roman numerals, subsidiary seconds and black oxidized gold baton hands.
M. Rhodium-plated movement with Geneva striping decoration, stamped twice with the Seal of Geneva quality mark, 18 jewels, straight-line lever escapement, monometallic balance adjusted to heat, cold, isochronisms and 5 positions, blued steel flat balance spring and an index regulator.
Dial, case and movement signed.
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Diameter: 47.5 mm
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Signed: Patek Philippe, Genève