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Pro Trek V.3 Triple Sensor Engine

The new triple sensor has Improved accuracy, is 95% slimmer, and uses 90% less power. Three high-sensitivity miniaturized sensors take accurate measurements of constantly changing natural phenomena, and display directions, differences in altitude, and atmospheric pressure tendencies in both digital and analog formats as well as temperatures in digital format.

Auto Light

You'll always be able to read your PRO TREK display... even in total darkness. An EL Backlight or LED light makes the face of the PRO TREK exceptionally bright. The watch also includes an auto light. So when you tilt the watch toward your face, the LEDs automatically light up for night time viewing.

Quick Facts

Auto light is disabled when any of the following conditions exist;

  • While an alarm is sounding.
  • While a bearing sensor calibration operation is being performed in the digital compass mode.
  • Receive operation is in progress.

Auto Light Switch  

Pro Trek Auto Light Graph

For quick, easy data confirmation, even in the dark or with both hands occupied

You need both hands for many outdoor activities, and you don't always have one free to illuminate your watch face in low-light conditions. The Auto Light Switch solves this problem by illuminating the light whenever you turn your wrist to bring the watch into the viewing position.