1-second stopwatch Measuring capacity: 59’59 Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (24-hour, stopwatch minutes, stopwatch seconds) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR920SW Size of case : 48.5×43.8×11.6mm Total weight : 141g