Sector Expander presents Cardio, the watch designed for Alex Schwazer, Gold Medalist at the 2008 Beijing Olympic Games in the 50 km march. Sector Expander's heart rate monitors are designed for those who practice sports such as running, and are ideal for monitoring the best times: performance, speed and distance to be measured in each training session. Body parameters are calculated in heart rate and calories burned. Accuracy to 1/100th of a second with partial and intermediate times.
