![HUAWEI WATCH D Smart Watch - Medical Grade Blood Pressure Monitor with ECG, Heart Rate, Blood Oxygen and Sleep Monitor 24/7 - Workout and Fitness Tracker - Long Lasting Battery Up To HUAWEI WATCH D Smart Watch - Medical Grade Blood Pressure Monitor with ECG, Heart Rate, Blood Oxygen and Sleep Monitor 24/7 - Workout and Fitness Tracker - Long Lasting Battery Up To](https://m.media-amazon.com/images/I/61dXmtN48QL._AC_UL1500_.jpg)
HUAWEI WATCH D Smart Watch - Medical Grade Blood Pressure Monitor with ECG, Heart Rate, Blood Oxygen and Sleep Monitor 24/7 - Workout and Fitness Tracker - Long Lasting Battery Up To
![Ray Maker on Twitter: "Huawei Adds Dual-Frequency GPS to New Watch GT 3: They've also revamped the optical HR sensor and have made some pretty big accuracy claims versus Apple's HR sensor. Ray Maker on Twitter: "Huawei Adds Dual-Frequency GPS to New Watch GT 3: They've also revamped the optical HR sensor and have made some pretty big accuracy claims versus Apple's HR sensor.](https://pbs.twimg.com/media/FCQAzeeWQAMBuFt.png)
Ray Maker on Twitter: "Huawei Adds Dual-Frequency GPS to New Watch GT 3: They've also revamped the optical HR sensor and have made some pretty big accuracy claims versus Apple's HR sensor.
![HUAWEI WATCH GT 3 42 mm Smartwatch, 2 Weeks' Battery Life, All-Day SpO2 Monitoring, Personal AI Running Coach, Accurate Heart Rate Monitoring, 100+ Workout Modes, Extended 3-month Warranty, Light Gold : Amazon.co.uk: HUAWEI WATCH GT 3 42 mm Smartwatch, 2 Weeks' Battery Life, All-Day SpO2 Monitoring, Personal AI Running Coach, Accurate Heart Rate Monitoring, 100+ Workout Modes, Extended 3-month Warranty, Light Gold : Amazon.co.uk:](https://m.media-amazon.com/images/I/71yd6nqla-L._AC_SX679_.jpg)