9 ... | Series

: 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.

See how the Series 9 holds up against newer models in these recent long-term reviews:

remains a highly capable smartwatch, particularly for those who can find it at a discount compared to the newer Series 10 or 11. While newer models offer refinements like slimmer designs or specialized sensors for hypertension, the Series 9 ...

still delivers roughly 90% of the flagship experience for a significantly lower price. Key Performance & Features

Apple Watch Series 9 In 2026! (Still Worth Buying?) (Review) YouTube · Simple Alpaca : It includes a robust set of sensors,

: It holds the standard 18-hour "all-day" battery life, though real-world use with Low Power Mode can push this closer to 35-36 hours. Is it Worth Buying in 2026? Best Value : For many users, the

As of early 2026, the Apple Watch Series 9 Go to product viewer dialog for this item. While newer models offer refinements like slimmer designs

: This processor continues to feel fast and responsive in 2026, supporting core modern features like Double Tap (controlling the watch without touching the screen) and faster, on-device Siri processing.