When it launched in 2022, the Series 8 was the first Apple Watch with the ability to measure and track changes to your body temperature while you sleep. It also introduced car crash detection, a ...

On the lifestyle front, you've always been able to make calls through the Apple Watch speaker, but the Series 10 supports audio playback while the Series 8 doesn’t. This means you can listen to ...

but the Series 10 is only 9.7mm thick while the Series 8 is 10.7mm. Left to right: Apple Watch Series 9 (which has the same dimensions as the Series 8), Series 10 (Credit: Angela Moscaritolo ...