Fawaz Gruosi never ceases to amaze lovers of original designs. This time, the founder and president of de Grisogono has designed a bright original collection of Tondo by Night. The watches included in this collection, created using photoluminescent composition based on fiberglass (PFL), so was achieved the effect of extraordinary radiance never before met in watchmaking. Unique models are equipped with a proprietary skin strap slope and are available in different colors: in white with 60 white diamonds weighing 0.26 k, in yellow with 60 yellow sapphires weighing 0.29 k, in orange color with 60 orange sapphire weighing 0.29 k, in pink with 60 pink sapphires weighing 0.29 k, in purple color with 60 amethysts weighing 0.29 k, as well as in green with 60 tsavorits weighing 0.29 k. Novelties feature an automatic SF 30-89, providing a 42-hour power reserve, have water-resistance on a depth of 30 meters.