Casio AE1500WH-8B2 Wide LCD watch is equipped with a 10-year battery, a wide digital display that is easy to read especially with the functional LED backlight. - 54.4 ?? 51.2 ?? 15.7mm Case Size- 57 g- Resin Band, Case and Bezel - 100 Meters Water Resistant - Approx. battery life: 10 years on CR2032- Resin Glass- World time: Dual time- Stopwatch- Timer- Alarm/hourly time signal- LED backlight- Calenda: Full auto-calendar (to year 2099)- Accuracy: ??30 seconds per monthOther features- 12/24-hour format- Regular timekeeping: Hour, minute, second, pm, month, date, day