INFANTRY Men's Quartz Analog Wrist Watch Date Calender with Sliver Case and Nato Nylon Band-Olive-Green Imported Material:Sliver Electroplate Stainless Steel Case and Nato Nylon Strap Movement:Precision Japanese Quartz with Analog Display Function: Hours, Minutes, Seconds,Date display Water resistant to 30 m (99 ft):Perfect for all kind of sports, indoor and outdoor activities or daily daily use.But not suitable for shower, bath and swimming.