Casio created a multi-functional Edifice EFR-539BK watch inspired from motor sports. Evolved through the power of electronics with striking appearance by blending a dynamic form and intricately detailed watch face, this watch features a vast array of functions perceived through advanced technology that runs the uniquely designed disk dial watch hands. EFR-539BK has luminous coating that provides illumination in the dark. It has tough and durable stainless steel wrist strap that gives your watch that classic appeal.