Twin Turbo is as desirable, performance-driven and exhilarating as a supercar. It is a Jacob & Co. expression of speed and mechanical beauty in a case and a movement. Its three-dimensional and curvy shape has no equivalent. Its sapphire crystal is one of the most elaborate ever crafted. Like a windshield, it's curved, long, wide and offers an exceptional viewpoint on the inside of the Twin Turbo. The Twin Turbo dial is a piece of smoked sapphire. It reveals the mechanical beauty that lies underneath. It surrounds the most visible and spectacular parts of caliber JCFM01, its pair of triple-axis tourbillons.