10-Year Battery Life: Powered by a reliable CR2032 battery, this watch is designed to provide a decade of uninterrupted performance, perfect for everyday use and adventure. 100-Meter Water Resistance: Built to handle swimming, snorkeling, and other water activities with ease, ensuring durability in all conditions. Versatile Timekeeping Functions: Includes dual time, a 1/100-second stopwatch, and a 24-hour countdown timer with auto-repeat, ideal for managing your schedule and activities.