Rado Watch Centrix Automatic R30079762. The Rado watches Centrix Automatic Diamonds proves its versatility in a range of different sizes and colour combinations, all with the glamorous sparkle of diamonds on the dial, guaranteeing that there is a model to suit all tastes. With Rado signature sapphire crystal adding scratch resistant shine, these watches are designed to look good for life. Case Size 38mm. Bracelet: High-tech ceramic Stainless steel / PVD and Movement Power Reserve: up to 80 hours.