Timex Men's Watch T5E691

Speed & Distance. Target speed or pace alerts. Target distance alerts. Chronograph. Two time zones 100-lap memory with recall. Countdown timer. 1 settable alarm for daily, weekday or weekend. INDIGLO night-light display. NIGHT-MODE feature. All-day reflector display. Speed and Distance Sensor features Works with highly accurate GPS tracking system. Odometer. Metric or English units. Automatic time correction. No calibration needed. 99% distance accuracy. Distance accuracy is typically better than 95% in most environments, and better than 99% in environments which offer a clear view of the sky. 2 year battery life