The Apple Watch Series 3 42mm in Space Gray Aluminum with Black is a sleek and high-performance smartwatch that offers a range of features including a fitness tracker, touchscreen display, water resistance, Bluetooth connectivity, Wi-Fi capability, GPS, and heart rate monitor. With an 8GB storage capacity, this Apple Watch is specifically designed for iOS users and runs on the Apple Watch OS. By combining style and functionality, this watch is perfect for those looking for a versatile and reliable device to stay connected and track their health and fitness.