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Apple watch Series 8 and SE review: Both watches could save your life. One could help you make a baby

6 min read . Updated: 16 Sep 2022, 12:40 AM IST Nicole Nguyen, The Wall Street Journal

On the Series 8, the temperature sensing doesn’t provide a thermometerlike instant reading. Instead, you’ll see changes from your baseline temperature in the Health app (Photo: AFP) — On the Series 8, the temperature sensing doesn’t provide a thermometerlike instant reading. Instead, you’ll see changes from your baseline temperature in the Health app **(Photo: AFP)**

Apple’s wrist computers have a new car crash detector and temperature sensing for fertility tracking, but the real upgrade is WatchOS 9’s low power mode.

Deciding which Apple Watch to get just got a little more complicated. This year, there are three new Apple Watch models, each with a different mix of health, fitness and emergency sensors.

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