Lot 204. A diamond and ruby 'serpenti' bracelet-watch, by Bulgari. Estimate CHF150,000 – CHF250,000 ($156,936 - $261,561). Photo Christie's Image Ltd 2016.

Designed as a coiled snake, the textured openwork sprung body applied with circular-cut diamond details, the head set throughout with old-cut diamonds with cabochon ruby eyes, the hinged jaw opening to reveal the circular dial with baton hour markers, within a diamond bezel, mechanical movement, tail later replaced, mounted in gold. Signed Bvlgari, no. FDY57, dial signed Piaget

Christie's. GENEVA MAGNIFICENT JEWELS, 18 May 2016, Geneva