Welcome!
Lucky you did not throw it away ... imagine that
😲
That looks like it could be a beautiful unpolished 145.012...one of the references that made it to the moon ... a desirable and lovely piece. It may be a transitional 145.022 as well (also a top piece). Be prepared to fall in love when you learn more about it.
Whatever you do when you visit the watch store, don’t accept any offers should someone there do that, speak to us first to help you out. We have read on numerous occasions that folk such as yourself walk into a watch store and they are offered a ridiculously low amount.
How do you know where your father bought this from?