The casio w-219h-2a2vcf is a cutting-edge timepiece with advanced features such as a durable resin case and band, 100-meter water resistance, and LED backlight. Perfect for daily wear, this watch offers both style and functionality. Get sporty and function at your peak with a bold splash of color. Satisfy your practical side with a 7-year battery you won’t have to think about for ages and 50-meter water resistance for peace of mind on rainy days. The LED light ensures an easy read, even in the dark, and the handy alarm and stopwatch functions keep you on your game all day long. Basic Information Case size (L× W× H) 48.1 × 47.1 × 13.9 mm Weight 40 g Case and bezel material Resin Band Resin Band Water resistance 50-meter water resistance Power supply and battery life Approx. battery life: 7 years on CR2016 Exterior Glass Resin Glass Watch Features Stopwatch 1/100-second stopwatch Measuring capacity: 59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Alarm/hourly time signal Daily alarm Hourly time signal Light LED backlight Light color LED:Amber Calendar Auto-calendar (set at 28 days for February) Accuracy Accuracy: ±30 seconds per month Other features 12/24-hour format Regular timekeeping: Hour, minute, second, pm, date, day