37mm & running extremely well, this is a very good example. It does have various nicks etc, nothing major. A fantastic alternative to vintage Omega pieces, & not seen everyday. And of course you’re aware of Eterna being behind the ubiquitous ETA movements, with the engines in their own watches refined to an even higher level. All original with the dotted crown. https://imgur.com/a/Y6Gf5OR $550 NET, OBO, incl ship Thank you