Enjoy the video of this beautiful movement!

The movement is the first version of the Citizen F-type. This was their first wristwatch, launched in 1931. It was based on a Swiss design and was used in several re-designed forms right through to the 1950s.

Read more about this watch here:

https://vintagecitizenwatches.com/2014/03/16/citizen-military-wwii-seikosha-patent-no-274740/