Transform your timekeeping experience with the Casio LW200-4A, a striking blue resin digital watch that combines style and functionality. This lightweight 20g timepiece features a compact 37.9 × 34.9 × 11.9 mm case with impressive 3 ATM water resistance and an extraordinary 10-year battery life. Stay organized with daily alarms, hourly time signals, and auto-calendar functions through 2099. The LED backlight with afterglow ensures visibility in any condition, while the 1/100-second stopwatch and world time capabilities keep you precisely on schedule. With dual time display and 12/24-hour format options, this versatile watch delivers exceptional performance for every adventure. Basic InformationBand: Resin BandCase and bezel material: ResinCase size (L× W× H): 37.9 × 34.9 × 11.9 mmPower supply and battery life: Approx. battery life: 10 years on CR1620Water resistance: 3 ATMWeight: 20 g ExteriorCompatible band size: GlassResin Glass / Spherical Glass Watch FeaturesAccuracy: ±20 seconds per monthAlarm/hourly time signalDaily alarmHourly time signal CalendarAuto-calendar (to year 2099)LightLED backlightAfterglow Other features12/24-hour formatRegular timekeeping:Hour, minute, second, pm, month, date, day Stopwatch1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times World timeDual time Warranty: 2 Year International Manufacturer's Warranty