The Apple Watch Series 8 is available for $329 on Amazon
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It includes new temperature sensors and can measure an ECG on your wrist in 30 seconds
The Series 8 has narrow bezels for a premium look, advanced health and fitness sensors and features, an always-on display, and as much battery life as you can expect from a smartwatch
It is highly refined compared to the Series 7 and has a sleeker look with slim black borders around the display
The Series 8 comes in a familiar rectangle display shape, in a 41- or 45-mm case size, and is IPX6-rated water-resistant
The new Low Power Mode gives the Series 8 up to 36 hours of battery life
If you're coming from a Series 3 or older, or you don't already own an Apple Watch, you're going to love the Series 8
The Apple Watch SE is a better value than the Series 8 for those who already have an Apple Watch
The larger screen of the Series 8 is surprisingly useful and appreciated by users