is the "sweet spot." It is significantly more feature-rich than the entry-level Apple Watch SE while avoiding the high cost of the Series 11 or Ultra 3.
: It includes a robust set of sensors, including ECG , heart rate monitoring, and temperature sensing. Note that Blood Oxygen features may be restricted in certain regions due to ongoing patent disputes. Series 9 ...
Apple Watch Series 9 In 2026! (Still Worth Buying?) (Review) YouTube · Simple Alpaca is the "sweet spot
: It is a major leap for anyone still using a Series 6 or earlier. However, users already on a Series 7 or 8 may find the differences too minor to justify the cost. heart rate monitoring