Swiss platinum, diamond and sapphire set watch Circa 1980

Fine and elegant platinum, diamond and sapphire set watch
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A fine Swiss elegant platinum, diamond and sapphire set keyless pendant watch, circa 1980, manual winding jewelled movement, silvered dial, guilloché centre finely surrounded with diamond, black painted Roman numerals to the brushed chapter ring, bezel finely set with diamond and sapphire, winding crown at 6 o’clock, case, dial and movement signed, total diamond weight approx. 2 cts, guarantee, presentation case.
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Diameter: 43 mm
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Signed: Piaget