Hublot Big Bang Unico Automatic Men's Watch 471.NX.7112.RX. Silver-tone titanium case with a black and blue rubber strap. Fixed silver-tone titanium bezel. Blue and anthracite grey dial with silver-tone hands and Arabic numeral and index hour markers. Minute markers around the outer rim. Hublot Calibre HUB1251 automatic movement with a 72-hour power reserve. Scratch resistant sapphire crystal. Case size: 45 mm. Round case shape. Titanium deployant buckle clasp. Water resistant at 100 meters / 330 feet. Functions: GMT, second time zone, hour, minute, second, day/night indicator.