1/10-second stopwatchMeasuring capacity: 59'59.9''Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeepingAnalog: 3 hands (hour, minute, second),3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR920SW