Authentic Hublot Big Bang Unico limited edition model 441EX5129RXUCL22 featuring a blue ceramic microblasted case with polished bezel. Equipped with an automatic chronograph movement (Calibre HUB1280) displaying hour, minute, second, date functions and small seconds sub-dial. Features a skeleton dial design in matte blue with silver-tone hands and Arabic numeral/index markers. Includes black rubber strap fitted with deployment clasp. Scratch-resistant sapphire crystal lens over round 42mm case. 72-hour power reserve. Water resistant to 100 meters (330 feet). Comes with original WatchMaxx warranty.