Lot 202. Coral and onyx bracelet-watch, Bulgari. Estimate 176,000 — 276,000 CHF. Photo: Sotheby's

The wristwatch designed as a coiled serpent with coral and onyx scales, the eyes set with two pear-shaped diamonds, the mouth opening to reveal a circular watch dial with baton indicators, the bezel set with brilliant-cut diamonds, one coral deficient, signed Bulgari, numbered, Italian assay marks, dial signed Jaeger-LeCoultre, mechanical movement.  

Sotheby's. Magnificent Jewels and Noble Jewels, Sessions 1 and 2, Genève, 16 mai 2017, 10:30 AM