SUUNTO X9 Wrist-Top Computer with GPS, Compass, Barometer, Thermometer, and Altimeter Wrist-top computer/timepiece with GPS functionality, altimeter, barometer, and digital compass GPS provides distance, direction and time to next waypoint and ETA; Track Back feature takes you back home wherever you are Displays speed, distance and time from start Shows elevation up to 29,500 feet plus vertical speed; 6-hour barometric trend graph to help forcast weather changes Synchronize with your PC via the serial interface to analyze performance and route planning