1/20-second stopwatchMeasuring capacity: 11:59'59.95"Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Low battery warning Regular timekeepingAnalog: 3 hands (hour, minute, stopwatch seconds),3 dials (timekeeping second / stopwatch 1/20 seconds / stopwatch hours, stopwatch minutes) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR927SW