1961 klocka med Svanneck . 40mm på diameter. Mekanisk behövs inte batteri.
The Seagull ST19 may be the only choice currently for an affordable, fully mechanical chronograph movement, but it's also a great one regardless of what else is on the market. It boasts features that chronographs several times its cost don't have, while remaining a relatively dependable calibre.

https://www.lorierwatches.com/en-se/pages/the-st19-lorier