Global Trainer GPS Speed Distance HRM - Get pace, speed, distance and more—all on your wrist. The Timex Ironman Global Trainer is a GPS watch that tracks speed, distance and HR all on an easy to use wrist watch. Extremely customizable, this high-performance training tool includes ANT compatibility for use with HR monitors, speed and cadence sensors which makes this a true multi sport tool. Water resistant (up to 50 meters)Speed/cadence sensor sold separatelyIncludes Flex-Tech digital chest sensor