Swiss Legend Men's 10126-GM-014-BB Challenger Grey Textured Dial Black Silicone Watch Round watch with unidirectional black ion-plated bezel and textured dial with luminous hands/hour markers 50 mm stainless steel case with synthetic sapphire dial window Swiss quartz movement with analog display Silicone band with buckle closure Water resistant to 200 m (660 ft): In general, suitable for professional marine activity and serious surface water sports, but not scuba diving