The Heart of the Matter: Style vs. Life-Saving Stats

Withings Scanwatch on my wrist

This is my Withings ScanWatch, a hybrid “smart” fitness watch. I’ve been wearing the 42mm black version (the original model, not the ScanWatch 2) for a long time now, paired with the metal oyster band, and it’s become part of my everyday routine.

What I love most is the balance it strikes: classic analog style with just enough smart features. The tiny digital display scrolls messages, calls, and notifications, and while you can’t reply from the watch, it’s great for deciding whether something needs immediate attention. The battery life is phenomenal—measured in weeks, not days—and it tracks steps, heart rate, sleep, and offers on‑demand ECG and SpO2 readings. It even does occasional automated SpO2 checks during sleep.

The ECG feature has been genuinely useful. It once captured an episode of afib when I felt palpitations and ran a recording. I sent the PDF to my cardiologist, which led to a follow‑up evaluation. So this watch has absolutely earned its place on my wrist.

But there’s one thing it doesn’t do: continuous heart‑rate monitoring. It only tracks continuously during a manually started workout session. And that’s where my dilemma begins.