This is a Swiss vintage mechanical watch made between 1960 and 1990. Diameter: 18mm (excluding the crown) It is running, but has not been run tested. It is being sold as junk. Please purchase this if you can repair it, for repair practice, or for parts. Shipping will be on Mondays, Wednesdays, and Fridays. If purchased by 4 PM, it can be shipped on the above mentioned days.