The perfect timepiece for rangers, rescue crews or those who like an adventure, this Casio Black-Out Rangeman Men\'s Watch features world-renowned toughness and durability. At A Glance  Presented on a black resin strap 53.5mm case size with 200m water resistance Triple sensor equipped, keeping altitude, barometric pressure, temperature and direction readings Cylindrical buttons and improved resistance to impact Sunrise and sunset data One-touch time recording and elapsed time measurement Mud resistance, low temperature resistance Multi-band 6 auto radio timekeeping One-press stopwatch start button Powered by light