A light-emitting diode (LED) is used to illuminate the dial. The acrylic is lightweight and relatively unbreakable. The case is a combination of stainless steel and resin, making the watch elegant, sturdy, and yet lightweight. Robust, durable, and elegant: The stainless steel bracelet gives your watch a classic feel. Always reliable: This watch features a particularly secure safety clasp that prevents accidental opening of the bracelet. Perfect for swimming and snorkeling: The watch is water-resistant up to 10 bar according to ISO 22810.