Experience the perfect fusion of artistry and precision with the Rado True Square x Kunihiko Morinaga created together with the visionary Japanese fashion designer Kunihiko Morinaga.’áThe transparent dial with photochromic effect makes the movement visible or invisible. When it is exposed to sunlight (UV rays), the True SquareËÇÖs dial darkens. But as the sun goes down the dial shade evolves into grey and finally becomes transparent.