The Unico 2 caliber was designed to equip smaller chronographs and also open the world of Hublot to new enthusiasts. It retains the unique design of its former version with a double coupling system visible from the dial side as well as a 72-hour power reserve. But thanks to various technical optimizations, including the introduction of a new, flatter automatic winding system, it has been reduced by 1.3mm in thickness.
Hublot Big Bang Unico Sapphire Rainbow 441.JX.4802.RT.4099
Hublot’s Big Bang Unico Sapphire Rainbow has an amazing scratch-resistant case made nearly entirely from sapphire, given a great deal of color thanks to its gemstone-covered bezel.