Tech4O running watches are a cut above the rest. Our fitness and running watches designed to give you the best performance for your fitness training. Fine-tune your workout with performance data including speed, distance, calories burned, heart rate and more with Tech4O running pedometer watches. For the adventurous type, you can thrive in any environment with accurate altitude, temperature, and weather readings on our Adventure altimeter watches. Navigate off the beaten path with Silva Tech4O digital compass watches and navigation accessories.