This is an authentic BULGARI 18K Rose Gold Diamond 35mm Serpenti Tubogas Watch in Black. This stunning serpenti watch features a 18K gold band, black dial, rubellite tourmaline on crown, and a diamond encrusted bezel, weighing approximately .45 total carats. Follow this item for alerts. Bulgari is a registered trademark of Bulgari. FASHIONPHILE is not affiliated with Bulgari.