The Rado Centrix Automatic Diamonds R30008742 is a 39.5 mm timepiece featuring a black sunray dial adorned with 12 diamonds totaling 0.078 carats. It is powered by the automatic Calibre R763 movement, offering an 80-hour power reserve and enhanced accuracy due to its antimagnetic Nivachron™ hairspring. The watch has a stainless steel case with yellow gold PVD coating, a transparent sapphire case back, and a bracelet combining polished yellow gold-colored stainless steel with black high-tech ceramic middle links. It is water-resistant up to 50 meters. Reference number: R30008742.