Simplicity is the key to splendor. With the DiaMaster Ceramos collection, Rado has found the key and brilliance is present in every sense of the word: brilliant, ingenious and impressive. Rado has used its innovative material, Ceramos ™, a mix of 90% high-tech ceramic and 10% metal alloy, with its innate colored shine in the material, which will never fade or lose its luster.