The Apple Watch Series 9 and Series 8 seem identical at a glance, so we’ve broken down the key differences to help you decide whether or not to upgrade.

Apple has unveiled the Apple Watch Series 9 and immediately released it for pre-order.As expected, the changes are largely hidden on the inside: the Apple Watch has been given a “new heart ...

The Apple Watch Series 10 has a slimmer design and a brighter screen, while the Series 8 has an active blood oxygen sensor. ... LOOK INSIDE PC LABS: HOW WE TEST. 65 EXPERTS. 43 YEARS.