Hey, thanks for the reply.
Yeah, the only one I found was that bonhams one as well. Since it's in bad shape anyway, I decided to try to open the back. It says 70206 like you said, and I also only found instances of it on Italian eBay. I knew since it's a quartz it wouldn't be on the expensive side, but once I couldn't find any pics of it online, I was wondering if it wasn't authentic. And my grandma has so many watches, she doesn't remember if she bought it or if it was a gift since she only wore it a couple of times. I was mainly interested in finding out because I was looking for a new belt that would fit it.
Anyway. Thanks again!!
(Sorry image quality sucks, taking it from my tablet)