Swiss gold and enamel skeletonized keyless watch Circa 1987

Gold skeletonized open faced watch
–
A rare yellow gold and enamel skeletonized open faced keyless watch, circa 1987. Finely engraved manual winding movement. Finely pierced and engraved skeletonized dial, blued steel hands, 18K yellow gold case with ribbed rim, enamel outer ring, snap-on sapphire crystal display back, case and movement signed.
–
Diameter: 46 mm
–
Signed: Audemars Piguet