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.

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.

Apple Watch Series 10, which is powered by watchOS 11, features new sleep apnea notifications, faster charging, water depth and temperature sensing, plus new health and fitness insights. Apple Watch Series 10 is nearly 10 percent thinner and lighter than its predecessors.

Right off the bat, the Watch Series 10 and the Pixel Watch 3 have distinct designs. While the former has a rectangular display with slightly curved edges and minimal bezels, the l