Apple Watch Series 5 has a display that's always on, showing the time and important information-no need to raise your wrist. It helps you navigate with the built-in compass. Enables international emergency calling.¹ Lets you check on your heart with the ECG app.² Tracks your workouts and activity. And has cellular built in, so you can stay connected with just your watch. GPS + Cellular Always-On Retina display 30% larger screen Swimproof ECG app Electrical and optical heart sensors Built-in compass Elevation Emergency SOS International emergency calling Fall detection S5 SiP with up to 2x faster 64-bit dual-core processor watchOS 6 with Activity trends, cycle tracking, hearing health innovations, and the App Store on your wrist