The Series 10 is also the thinnest Apple Watch ever. It's 9.7 millimeters thick, while the Series 9 is 10.7 millimeters thick. That's about a 10% difference.

The Apple Watch Series 10 refines the winning formula with a larger display, thinner design, and faster charging. While not a radical overhaul, these improvements enhance the user experience, especially for those coming from older models.

We recently wrote about potential improvements to iPhone repairability, and it stirred hope that the Apple Watch Series 10 might also see some of those improvements. Traditionally, the Apple Watch has been a bit problematic when it comes to repair. Sadly, the Series 10 is no different.

Commentary: The Series 10 and Ultra 2 are incredibly similar making it hard to know which one to buy. Here's everything you need to know about screens, design, battery and health tracking between Apple's latest watches.

The Apple Watch Series 10 battery life is so good that I routinely get over 30 hours of battery life, and I'm not alone.