You can use this Casio chronograph for anything, anywhere. The added 24-hour clock, 60-second stopwatch and 30-minute timer are protected by a tough case and high-water resistance. This is a fine piece for sportswear and travelling and won't let you down. - 51.8 × 49.3 × 13mm Case Size - 50g Weight - Resin Band, Bezel and Case - 100 Meters Water Resistant - Approx. battery life: 3 years on SR920SW - Resin Glass/Spherical Glass - Stopwatch - Accuracy: ±20 seconds per month - Regular timekeeping: - Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour) - Date display