FullMag is behind some of the most awesome gadget videos around. We covered their previous video showing how to annihilate an Apple Watch by exposing it to liquid nitrogen. In this video, you can see an Apple Watch treated to some heat. These guys used muriatic acid, distilled water, and hydrogen to get the job done:
The Apple Watch is not a fragile device, but it’s not designed to be mistreated either. It fared much worse in the previous video though.
[Source]