The 46mm Series 10 is shorter, narrower, and thinner than the Ultra 2, and weighs almost 50% less as a result. If size, weight, and bulk are important to you, then the much lower profile of the Series 10 is very appealing.

Looking to see how the Apple Watch Series 10 compares with the Series 9? We've tested both generations - this is what we recommend.

The Apple Watch Series 10 is here, and it brings with it a host of subtle changes, from a larger screen to a thinner case (that still packs in more features than previous generations). But it also costs $150 more than Apple's entry-level Apple Watch SE, so what do you get for that extra dough?