This is different from the Series 7, Series 8 ... that band won’t work with the 42mm Series 10 or 41mm Series 8. Still with us? Of course, the Apple Watch Ultra and Ultra 2 each feature a ...

This guide covers how much thinner Apple Watch Series 10 is compared to Series 9 and earlier as well as Ultra 2.

the Series 7, which had a 309 mAh battery in the 41mm model Lastly, the new Apple Watch Ultra, with its larger case, has the biggest battery capacity ever fixed to an Apple wearable, at 542 mAh.