The Serpenti

A Bulgari Serpenti Tubogas gold wristwatch, circa 1980
 
Of iconic coiled Tubogas design, the 18 karat gold bracelet formed as a flexible triple-row serpent wrapping fluidly around the wrist, centering a black circular dial framed by a polished bezel engraved BVLGARI.
With quartz movement, signed Bulgari, made circa 1980s, gross weight 83.78 grams.