Who here knows about old watches?

[Kate]

I picked up an older mens watch in a bag of jewelry, and in looking, it seems some of them are worth a bit of money. Not a whole lot, but a bit. It's a Longings Automatic Admiral 5 star. It also has a calendar. I think its a wind up, at least its running now. I can set the time, but not the calendar. The back reads "R. J. Piexto 30 years Faithful Service the Union Ice Company 1939-1969". No mention of it being gold filled or anything and it has a regular Spiedel band.
I just hate to dump it in the junk bag in case it might be worth a few dollars. Any assistance appreciated.

Kate