An enamel and diamond 'Serpenti' bracelet-watch, by Bulgari, 1967
Designed as a highly articulated coiled 'Serpe dei Ratti Giallo', the scales applied with orangy-yellow and red enamel, the serpent's head with a forked tongue and marquise-cut diamond eyes, the mouth opening to reveal a circular-dial with baton indicators, inscribed 'Serpe dei Ratti Giallo' to the inner undertail scales, signed Bulgari, dial signed Vacheron Constantin, Swiss assay mark, maker's pouch