I have just started getting into watches, so they were a lot, but not for a lot of money

I know next to nothing about it, except that it's automatic, probably from the 70s, and the company (Eterna) doesn't exist anymore, and that I have worn it basically every single day ever since I have recieved it about 6 months ago. It was found in the flat of one of my grandmothers cousins when she got dementia and had to go to a nursins home, and as I'm the only one in the family who's into watches, it was given to me.