- Retina display
- High and low heart rate notifications
- Irregular heart rhythm notification
- Emergency SOS
- Fall detection
- International emergency calling
- Noise monitoring
- Optical heart sensor
- Dual-core S5 SiP
- Digital Crown with haptic feedback
- GPS
- Compass
- Always-on altimeter
- Second-generation speaker and mic
An expansive Retina display so you can see more at a glance. Advanced sensors to track all the ways you move. Powerful features to keep you healthy and safe. Apple Watch SE is a lot of watch for a lot less than you expected.