This timer has the ideal chronograph and memory functions for motor racing. Three chronograph options show lap time, split time, or both in one window with a lap counter up to 999. The memory function can display fastest and average lap times on demand, or scroll through 50 lap times in ascending or descending order. Accurate to 1/100 second over 24 hours. The 22 inch safety breakaway lanyard has an adjustable keeper so you can wear the watch as high as you like. Water resistant to 30 meters. Ten-year factory replacement warranty.