Withings ScanWatch 2 42mm — Hybrid Smartwatch with ECG & SpO2

The Withings ScanWatch 2 is a hybrid smartwatch that blends analog watch aesthetics with serious health tracking. It features ECG, SpO2, temperature monitoring, and advanced sleep tracking including respiratory health analysis. The 42mm case offers 30-day battery life — exceptional by smartwatch standards — with 5ATM water resistance suitable for swimming. It pairs with both iOS and Android via the Withings app and Health platforms, offering a device-agnostic approach rare in the category. The always-on analog dial and small digital display prioritize style over interactive smartwatch features; there are no apps, voice assistants, or payments. Best for health-conscious users who want serious medical-grade sensors, premium build, and weeks between charges — but accept minimal smart features and a smaller digital screen compared to Apple Watch or Galaxy Watch.