The unique DiaStar Original is water resistant down to 100 m. Framed by an ultra-shiny Ceramos™ coiffe with polished angles and detailing set over a matching, monochrome stainless-steel case,with a parallel-stripe-faceted sapphire crystal. Specifications include a blue brushed dial. Inside, the Rado R764 automatic movement with antimagnetic Nivachron™ offers 80 hours of power reserve. The bracelet is made of polished and brushed stainless steel.