Invicta Men's 17579 Pro Diver Stainless Steel Black Leather Watch Round watch with blue sunray dial featuring placed indices, gear-edge bezel, fluted crown, and date window at three o'clock 50 mm stainless steel case with synthetic sapphire dial window Japanese quartz movement with analog display Black calfskin band with buckle closure and decorative stitching Water resistant to 500 m (1640 ft)