The Casio Tactical G-Shock GBA-900 Series Digital Watch blends fitness-focused tracking with classic G-SHOCK durability for training, travel, and everyday wear. Its shock-resistant build, 200 m water resistance, mineral glass, and Bluetooth smartphone connectivity support daily use, while the built-in step tracker, calorie and distance calculations, and interval timer functions add workout utility. This model also offers dual time, lap and split stopwatch functions, memory for up to 45 records, Mobile Link app features through CASIO WATCHES, phone finder, double LED light, power saving mode, low battery alert, and approximately 2 years of battery life on CR2025.