- br br Best Bargain Review - Timex Global Trainer Heart Rate and GPS Watchbr br Customizable screen display show up to four windows of informationbr 20-workout memory with dated summary records up to 1,000 laps of informationbr Chronograph with interval and countdown timers measures performancebr Records elapsed time, calories burned, and performance data for each lapbr Hands-free option automatically starts and stops data capture functionsbr Compatible with Windows XP or newer and with Mac OS X10.