Bvlgari Diagono AC38G 18k Yellow Gold Mens Watch. 36mm 18k yellow gold case with black bezel. Black dial with yellow gold luminous hands and index hour markers. Date display at the n3 o'clock potion. Adjustable black 18k yellow gold and rubber strap with an 18k yellow gold deployment clasp. Automatic self-winding movement. Sapphire crystal glass. This watch is backed by a one year warranty.