Always-on Retina display has nearly 20% more screen area than Series 6, making everything easier to see and use
IP6X water- and dust-resistance and swimproof design with range of up to 50 meters means it's built for shallow-water activities like swimming in a pool or ocean
GPS lets you keep an eye on your location, and helps you track your distance and routes
Measure your blood oxygen levels with an advanced sensor and app (measurements are not intended for medical use, only designed for general fitness and wellness purposes)
watchOS 8 introduces new workout types, the Mindfulness app, the new Portraits watch face, and enhancements to Messages
