Citizen Cosmotron. It's running well, with a daily rate of about 15-30 seconds. The exterior has some minor scratches, but considering its age, it's in pretty good condition. This is an electromagnetic balance wheel watch, which is no longer made. It was a popular drive system in the 60s and 70s, mainly before the widespread use of quartz watches. It's a watch that was phased out along with tuning fork watches. While electromagnetic balance wheel watches are still in circulation, there are very few that are still running well. There is no guarantee of operation, as the condition may change due to vibrations during transportation. Also, as it is an antique watch, please ask any questions you may have. We do not accept claims after arrival. I have cherished it, but my collection has grown too large, so I will pass it on to someone who will cherish it. Citizen Cosmotron Electromagnetic balance wheel Seiko Elnix EL-330 EL-370 Antique Quartz Mechanical