The Withings ScanWatch hybrid smartwatch is now available to buy in Europe, and it can be purchased from £249.95/€279 (about US$330). This incredible health-focused wearable comes with its own on-demand electrocardiogram, respiratory scanner, atrial fibrillation detector, medical-grade SpO2 oximeter, and the ScanWatch is water resistant to 165 ft (50 m).
https://www.notebookcheck.net/Withings-ScanWatch-Incredible-clinically-validated-hybrid-smartwatch-with-medical-grade-SpO2-sensor-ECG-recording-and-24-7-heart-scanning-now-available-from-pound249-95-US-330.492361.0.html