Rado Rado. A different world ESTABLISHED IN: 1917 (by brothers Fritz, Ernst, and Werner Schlup) Brand Established:1957 PRICE: €650 – €7,000 You have to touch these watched to understand. But once you do, you notice a difference from any main stream watch straight away. The secret? No metal – it is made from high grade ceramics. INTERESTING STORY Rado V10K watch is officially the hardest watch on Earth, certified by the Guinness Book of World Records. In technical terms it’s Vickers hardness number is 10,000 achieved by their patented technology of transforming carbon into a nanocrystalline diamond.