A Never-Ending Replacement Crisis with the Apple Watch Series 7

I have an Apple Watch Series 7, and I've had it repaired six times by Gürgençler service in Konya because of the same problem. The product has been replaced with a new one five times, but the same problem keeps happening. I sent a message to Apple customer service pointing out the ongoing issue with this product and explaining that I don't want to keep getting it fixed over and over again. I asked for a better replacement, but Apple customer service doesn't always let you know if there's a problem with your product. Even though I've told the service about the problem, they keep sending me the same device for replacement. This is worrying, especially since I use Apple products for all my devices. They're behaving really badly.