This is a Swiss vintage mechanical watch made between 1960 and 1990. Diameter: 17mm (excluding the crown) It can be wound. It is also running. The result of a few hours of running tests is good, but because it is a short-term running test, it is listed as junk. Please use it for those who can repair it, for repair practice, or for parts. Shipping will be on Mondays, Wednesdays, and Fridays. If purchased by 4:00 PM, it can be shipped on the above days.