The Casio solar-powered watch features Tough Solar technology for reliable, battery-free operation powered by light. It includes world time functionality, a precise 1/100-second stopwatch, and five daily alarms to keep you on schedule. The LED light illuminates the LCD display for easy viewing in low-light conditions. With 10-bar water resistance, it is suitable for swimming and everyday water exposure. Designed with a sporty look, the watch also offers a six-language day-of-the-week indicator, supporting English, Portuguese, Spanish, French, German, and Italian for added convenience.Basic InformationCase size : 52.2 × 48.3 × 13.7 mmWeight : 40 gCase and bezel material : ResinBand : Resin BandWater resistance : 100-metre water resistancePower supply and battery life : Solar poweredExteriorGlass : Resin GlassOther : Neobrite Watch FeaturesWorld time with 31 time zones (48 cities + UTC), daylight saving adjustment, and home/world city swapping.1/100-second stopwatch with lap and split time, plus two countdown timers ideal for interval training.Five daily alarms, hourly time signal, and amber LED light with selectable illumination duration.Full auto-calendar (up to 2099), 12/24-hour format, button tone on/off, and power-saving mode.Solar-powered with battery indicator, up to 23 months run time on power save, and ±30 seconds per month accuracy.