An Enamel, Ruby and Gold Serpenti Bracelet-Watch, Bulgari. Photo Christie's Image Ltd 2014

Designed as a gold coiled serpent bracelet, the sprung body with white enamel scales, the head with pear-shaped ruby eyes, opening to reveal a circular gold dial, mechanical movement by Jaeger-LeCoultre, 1960s, in black leather Bulgari pouch Signed Bulgari, dial signed Jaeger-LeCoultre, no. 4672. Estimate: CHF70,000 – CHF80,000 ($79,627 - $91,003)

Christie's. GENEVA MAGNIFICENT JEWELS. 14 May 2014. Geneva - www.christies.com