![Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/Green Aluminum Case with Clover Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/Green Aluminum Case with Clover Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics](https://m.media-amazon.com/images/I/71MQd0o+uHL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/Green Aluminum Case with Clover Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics
![watchOS 5.1.2 for Apple Watch now available with ECG app, new Infograph complications, more - 9to5Mac watchOS 5.1.2 for Apple Watch now available with ECG app, new Infograph complications, more - 9to5Mac](https://9to5mac.com/wp-content/uploads/sites/6/2018/12/ecg-apple-watch.jpg?quality=82&strip=all)
watchOS 5.1.2 for Apple Watch now available with ECG app, new Infograph complications, more - 9to5Mac
![Amazon.com: Apple Watch Series 8 [GPS + Cellular 41mm] Smart Watch w/Midnight Aluminum Case with Midnight Sport Band - S/M. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Amazon.com: Apple Watch Series 8 [GPS + Cellular 41mm] Smart Watch w/Midnight Aluminum Case with Midnight Sport Band - S/M. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant :](https://m.media-amazon.com/images/I/71FeKU41G1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Apple Watch Series 8 [GPS + Cellular 41mm] Smart Watch w/Midnight Aluminum Case with Midnight Sport Band - S/M. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant :
![Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/Blue Aluminum Case with Abyss Blue Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics Amazon.com: Apple Watch Series 7 [GPS 41mm] Smart Watch w/Blue Aluminum Case with Abyss Blue Sport Band. Fitness Tracker, Blood Oxygen & ECG Apps, Always-On Retina Display, Water Resistant : Electronics](https://m.media-amazon.com/images/I/71GIYSZpW+L._AC_UF894,1000_QL80_.jpg)