Twin sensors measure altitude, temperature and air pressure, providing essential information for the outdoorsman. Graphically-displayed measurements aid in weather prediction, ensuring you’re prepared in the wilderness. Other watch features include world time, stopwatch, backlit display and five alarms. Altitude readings to 10,000 meters. Shockproof case is waterproof to 100 meters; withstands temperatures down to 14°F. Three-year battery life. Imported. Case diameter: 50 mm.