Apple Watch Series 12 launches with bigger screen and new sensors

Apple has released the Watch Series 12, three years after the Series 9. The Series 12 has a slimmer case, a display up to 7% larger, and adds new water sensors and more advanced health monitoring. It charges faster and supports health features aimed at fitness and recovery. The Series 9 is discontinued but still gets software updates. Both start at $399 when new, but only the Series 12 is sold direct.

• Series 12 is thinner with a larger display
• New water temperature and depth sensors added
• Health features track heart rate variability more often
• Series 12 offers quicker charging and bigger battery
• Series 9 still runs latest software but is discontinued