Diamond and Enamel Serpenti Bracelet-Watch, Bulgari. Photo Sotheby's

Designed as a snake decorated with turquoise enamel, the eyes set with pear-shaped diamonds, the mouth opening to reveal a circular dial, signed Bulgari, Italian assay and maker’s marks. Estimate: 20,000 — 30,000 CHF ($22,598 – $33,896)

Litterature: Cf: Amanda Triossi, Bulgari: 125 Years of Italian Magnificence, Grand Palais, Milan, 2010, pgs. 362 and 363 for bracelet-watches of similar design.

Sotheby's. Magnificent Jewels and Noble Jewels. Genève, 13 mai 2014 - www.sothebys.com