Hublot Big Bang Unico 45mm in 18K King Gold on a Black Structured Lined Rubber Straps. Openworked dial. Black PVD Titanium with 18K King Gold Insert Deployant Buckle Clasp. HUB1242UNICO ManufactureSelf-winding Chronograph Flyback Movement with Column Wheel. 72 Hours Power Reserve. This is a used piece in mint condition with original box and papers.