Not a Braun product, but also timeless European design: I have a De'Longhi KG79 which I've bought in 2019, and it doesn't show any signs of wearing out yet. The only maintenamce so far was that I gave it a thorough cleaning last year or so. It does its job flawlessly and is fairly cheap.

[EDIT: Looking at the Braun 4045 mentioned in the article: I used to have the Braun 3045, which broke down at some point. To be fair, it lasted at least 10 years, not sure how long exactly. I remember that the somewhat brittle coffee grounds container broke after only 2 or 3 years, but it could be pieced together with epoxy]

I have a breville burr grinder that i've used every day for the last 15 years and i've only cleaned it maybe 3 times?

At this point it will likely outlast me.

I have a Rancilio Rocky that will outlive the universe. I've had it for twenty years and have never maintained it. It weighs more than any other device I have at home. You can buy new parts for it from the manufacturer. It still grinds coffee like it did on day 1.