Helvetia (General watch company) has lot’s of history and was responsible for the creation of it’s more known brand Omega. Helvetia made a lot of wonderful in-house movements well into the 1960’s and is in my opinion one of the most underrated vintage brands today.

Helvetia calibre 64. Serviced by me September 2019. Good condition. Case is 35+mm w/o crown. Asking price £320. Click on image for more photos.