Bvlgari Bulgari Tubogas Gold Watch BB 19A Bulgari Tubogas 18k gold watch, BB19 model (the case diameter is 19 mm). An iconic Bulgari watch with a classic Tubogas bracelet and a black matte dial. The bezel features engraved double 'Bvlgari' signature and a sapphire glass. The numerals are 18k yellow gold, applied Arabic numeral at 12 and 6 o'clock and yellow gold baton hour indices. The watch is equipped with a quartz movement. Will fit up to 6 inches wrist. The case diameter is 3 4", the