When you buy through our links, Insider may earn an affiliate commission. Learn more.
Antonio Villas-Boas/Insider
The Apple Watch Series 8 is a highly refined Series 7 with three new features: Crash Detection, body temperature sensing, and a new Low Power Mode that gives it 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.