Spovan Military Black LED Sports Watches Compass Altimeter Barometer Altimeter, kown the distance from the top/foot of the mountain Barometer, know real-time air pressure Compass, never lost Thermometer, tell you the real-time temperature Sunrise/Sunset Time Pacer/Stopwatch/Countdown/Dual Time/Alarm/Calendar Climbing Running Hiking Cycling Skiing Case Diameter: 50MM(1.97&#034;) Case Thickness: 16MM(0.63&#034;) Band Material: Silicone Case Material: Stainless steel Weight: 75g Swimming Showering Rain Daily water plashes