Having spent all that money on gens, I’d have thought your expectations for millimetre-accurate perfection from a Chinese fake costing a twentieth of the gen would have been a bit less stringent.I have spent quite a lot of money on gens. From 500USD to 15000USD. So your comments are not in the right place.
BTW, the part of the watch you’re referring to - the rehaut - is part of the watch case, not the bezel. And you have to watch out, because the rehaut can become detached. It requires the use of a special tool to reattach it. See this diagram: