Apple Watch Series 12 is easier to repair, Apple Watch Ultra 4 remains unchanged

A teardown of the Apple Watch Series 12 reveals two repair-friendly changes, but the same can't be said for the Apple Watch Ultra 4 and its internals. The Apple Watch 4 is as easy (or as difficult) to repair as its predecessor. With the Apple Watch Series 12 and Apple Watch Ultra, Apple introduced a revamped health sensing system, better battery life, and a more powerful S11 chip.