This watch is also known as:
301-AI-460-RX-190 , 301/AI/460/RX/190 , 301AI460RX190 .
Hublot Big Bang Tantalum Mat Watches. 44mm tantalum mat case, tantalum mat bezel set with 48 black baguette diamonds, grey mat dial, self winding HUB 44 movement with chronograph function, approximately 42 hours of power reserve, black rubber strap with deployant buckle. Water resistant to 100 meters.