The Casio WS-1100H-1AVCF is a digital sports watch designed for individuals who require both functionality and durability. Featuring a black resin case and strap, this watch ensures comfort and resilience for daily wear. It boasts a 10-year battery life, reducing the need for frequent battery changes. With a 100-meter water resistance rating, it's suitable for swimming and snorkeling activities. The watch provides tide and moon data, making it ideal for marine enthusiasts. Additional features include dual time zones, a 1/100-second stopwatch, three multi-function alarms, and an LED light with afterglow for visibility in low-light conditions. Its user-friendly interface and large display digits enhance readability, catering to active lifestyles.