The Casio LW200-1B Black Youth Digital Watch, featuring a compact 37.9 × 34.9 × 11.9mm case and feather-light 20g design. Crafted with a durable resin band, it ensures both comfort and durability. With water resistance up to 50 meters, it's suitable for everyday wear. Powered by a CR1620 battery, it offers an impressive lifespan of approximately 10 years. Equipped with either resin or spherical glass for crystal-clear visibility, it features world time and dual time functionalities, alongside a stopwatch, alarm with hourly time signal, and daily alarm. The auto-calendar extends to the year 2099, while maintaining an accuracy of ±20 seconds per month. Supporting both 12/24-hour formats, regular timekeeping includes hour, minute, second, PM, month, date, and day displays. - 37.9 × 34.9 × 11.9mm Case Size - 20g Weight - Resin Band - 50 Meters Water Resistant - Approx. battery life: 10 years on CR1620 - Resin Glass / Spherical Glass - World time - Dual time - Stopwatch - Alarm/hourly time signal - Daily alarm - Calendar: Auto-calendar (to year 2099) - Accuracy: ±20 seconds per month - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day