The Casio WS-1300H-1AVCF is a digital sports watch designed for marine enthusiasts, offering a blend of functionality and durability. Its black resin case and strap provide resilience and comfort for daily wear. The watch boasts a 10-year battery life, reducing the need for frequent replacements. With a 100-meter water resistance rating, itÕs suitable for swimming and snorkeling activities. The WS-1300H-1AVCF features tide graph and moon data functions, aiding users in planning their marine activities. Additional features include dual time zones, a 1/100-second stopwatch, a countdown timer, three multi-function alarms, and an LED light for visibility in low-light conditions. Its user-friendly interface and large display digits enhance readability, catering to active lifestyles.