After 10 days with the Apple Watch Series 12, I'm disturbed by one 'slightly off' reading

TechRadar
Sep 29, 2026, 1:00 pm93 pts
Remember when the Apple Watch was just a fitness gadget, primarily devoted to notifications and workout tracking? Now it's like a medical technician on your wrist, measuring everything from heart rate (with readings every 5 seconds), temperature, blood oxygen, respiratory rate, and sleep. It's so comprehensive…

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