Lot 148. Rock crystal, onyx, lapis lazuli, mother-of-pearl and diamond timepiece. Estimate 37,000 — 52,000 CHF. Photo Sotheby's.

Composed of rock crystal, lapis lazuli and onyx, the dial set with mother-of-pearl inlays depicting an exotic scene, the Roman numerals and hands millegrain-set with rose diamonds. 

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