The raw material for Rado's high-tech ceramics is a very fine powder that is pressed or injected into a mold. The powder is compacted into scratchproof ceramic parts in a sintering blast furnace of 1,450 degrees Celsius. These parts are given a brilliant shin by polishing with diamond dust. Highly resistant to scratches, Rado's high-tech ceramics rate an 8 on a scratch-proof scale of 1 to 10 (with aluminum rated less than 3, gold less than 4, steel less than 5, and diamond topping the scale at 10).
About Rado
Founded in Switzerland in 1917, Rado didn't come to prominence until 1962 when the company released the DiaStar--the first watch to be made from scratch-proof hard metal. While other companies use conventional materials like gold, brass or steel, Rado uses ultra-durable materials such as sapphire crystal and high-tech ceramics that had been used in the development of the space shuttle. In 1996, Rado made watch history again presenting with the DiaStar Concept 1--the first watch made from polycrystalline diamond (PCD), a material that has the same hardness as natural diamond. Accuracy, high performance, and lasting value are key to the Rado philosophy--a perfect match to the unique design found throughout the company's timepiece collections.
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