From what I hear, there are several factories in China that manufacture movement. As you say, 2824 is stable and easy to repair in the clone movements. Thanks for watching😄
Seagull ST2130 is the best quality clone IMO, it is an exact 2824 ETA only difference is Chinese finish vs. Swiss finish and the same with QC. I personally wash and service the ST2130 before I use them, 9/10 they are dirty or misassembled so I just get that outta the way right off the bat. I have found imperfections on them that would, w/o a doubt affect the performance of the movement, but I personally take pride in finding them and fixing them to make the movement run properly (its a watchmakers thing). On occasion I use Miyotas 8215. Good luck.
Hi!! Not all factory made the same movement it’s dependent what kind of watch and how high quality you’re looking. I bought I Rolex Daytona Paul Newman for almost $2000 USA 🇺🇸 u can check the short video in my channel and omega 007 for $2000 too both the quality is the same like genius in everything and I have real Rolex I just buy to compare one of one and the movements is impressive. The only thing is that is expensive and is scary pay a lot money and receive a cheap copy. But I’m lucky I have the man that supplied me with confidence this expensive and beautiful time pieces. Check the short videos and u will see what I mean!! Have good day buddy.