Updating the generation one apple watch

Yes, I just found that out lol I was talking to apple support, she asked which one I had I said the first..... I guess it was taken as the Series 1 , and I kept getting instructions on how to update it. Then after about an hour she realized we werent talking about the first generation at all ;o( oh well, the whole issue started because my battery wasnt holding a charge even over night. I unpaired it today and re-paired it and it seems to have worked (which I figured that one out on my own) And this was a replacement watch I just rec'd a few days ago because my watch face popped off the watch and they said that was a battery swelling issue. I have had a time with this one! Thank you for responding!!