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Home > Sports Watches > Speed and Distance
  NEW Timex Speed
and Distance Ironman
Triathlon WatchesThe Timex Ironman Speed & Distance System consists of two pieces: a GPS receiver and a watch/monitor that are wirelessly connected by a radio signal. The receiver scans the skies for satellite signals looking for the best geometric solution (through a process called "triangulation") and transmits precise speed, distance and pace readings to the watch in real time. While GPS technology is most commonly used as a navigational tool, the satellites are equipped with atomic clocks, making it possible to get speed and distance data with pinpoint accuracy.
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