I have available today a Gruen Precision 510 mechanical watch. Case has been ultrasonic cleaned to remove all the nasty dirt and grime watches build up over the past 60 years. From everything I've read on the web, I believe this to be late 1950s. There is some gold plate loss on the case. There is also some damage to the case body that looks like some previous owner didn't know how to open the case the right way. Please see photos in album, price is reflecting of this issue. There is nice patina to the dial and the crystal has some light scratching throughout. Comes equipped with a used 18mm used leather strap. Watch runs smoothly and keeps great time. Unknown service history on this watch. #[Album] (http://imgur.com/a/QHmlRsV) #[Timestamp] (http://imgur.com/a/2sTTwSx) Price I am asking is $55 shipped inside USA obo. Watch is located in Illinois I accept paypal friendly option (or buyer adds 4% fees) zelle quickpay, cash app or google wallet.