The G-SHOCK GBA900-1A combines rugged durability with advanced fitness and smartphone connected features, making it a powerful tool for training and everyday performance. Bluetooth connectivity links the watch to your smartphone for automatic time adjustment, GPS assisted distance measurement, and simplified mode control through the dedicated app. The accelerometer provides data for distance, speed, pace, and calorie calculation, while auto lap memory and exercise intensity tracking help you stay on top of your training goals. A high contrast MIP (Memory in Pixel) display ensures excellent visibility, supported by a Super Illuminator for clarity in low light. The soft urethane band enhances comfort, and the watch maintains G-SHOCKÕs signature shock resistance and 200 meter water protection for reliable performance in demanding environments.