The Apple Watch Series 8 45m provides a stylish and safe way to manage your life. This model has an ECG app, a swim-proof casing, and a barometric altimeter for tracking elevation changes. Notifications can be viewed hands-free thanks to its always-on retina display, and staying connected is made simple by the integrated GPS, compass, and cellular network. The Apple Watch Series 8 45m offers unmatched convenience. 32GB of ROM 1GB of RAM Display size: 1.9 in. 45 M in size Li-Ion 308 mAh battery