- health on your wrist - Check your blood oxygenation level - ECG On your wrist - Sleep monitor - Fitness - Music and podcasts - Bright, never-dimming display - Very comfortable bands - Wide selection of dials - Reddot Award - Videos: - The Apple Watch Series 6 smartwatch is equipped with an app-assisted blood oxygenation sensor. You can also do an ECG anywhere and at any time. You can instantly check your training results and sensor data on the improved, bright and non-dimming Retina display. Apple Watch 6 has a GPS connectivity system, and the Cellular version also has LTE connectivity. - The blood oxygen saturation sensor built into the watch's completely redesigned back glass plate consi