Is Bremont's New ENG300 Truly an In-House Movement?

First, the big announcements from this week's Apple Unleashed event, which include everything from new Home Pod Mini colors to next-gen AirPods to the re-introduction of various ports on new MacBook Pros. (Finally...) Then, we'll discuss the just-revealed, supremely quick, and still sort of mysterious Porsche 718 Cayman GT4 RS. It's likely the last internal-combustion variant of the Cayman we'll see before the lineup goes all-electric. Lastly, some controversy: watchmaker Bremont has revealed its first in-house movement, the ENG300 in a new line of limited-edition watches. But… is it actually an original movement? The watch community can't seem to make up its mind.