Tissot Men's T33159851 Black T-Touch Rubber Strap Watch Tissot T-Touch Collection Touch-screen technology with 8 separate functions: Altimeter, Chrono, Compass, Alarm, Thermometer, Barometer (Meteo), and Date and Time Easy to use - Activate by pressing on the crown and the touch-screen Case Diameter - 43 mm; Crystal - Tactile Scratch-Resistant Sapphire Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion