The Apple Watch SE 3 earns high praise for its reliable health and fitness features, including temperature sensing, sleep tracking, and heart rate monitoring. Users appreciate the improved battery life and fast charging, as well as the always-on display and 5G connectivity for staying connected on the go. It is also praised for its customizable design and family-friendly features for kids. Overall, it is seen as a great value for those seeking essential smartwatch functionality with a focus on health and convenience.