Casio Men's MUDMASTER Twin Sensor GG-1000-1A3JFProduct Highlights When on a mission in challenging situations like rescue operations, easily measure crucial directional information by simply pressing the large button at 3 o'clock. Temperature measurement and display can be done with a push of the button at 4 o'clock. Designed for intuitive directional measurement without visual aid even in harsh conditions, this watch prioritizes ease of use. Featuring a button guard cylinder structure to ensure