Angelus U20 Ultra-Skeleton TourbillonMade of sapphire, carbon and titanium, the U20 is at the forefront of cutting edge watchmaking. From the movement to the case design, every aspect of the U20 has been conceptualized to allow light to enter the watch and reveal the splendor of the movements architecture and tourbillon. The first elements one sees are the raised dome sapphire crystal of the carbon case and the mirror polished beveled edge of the monobloc titanium lugs, all reflecting