The only hand winding vintage Citizen movement is the calibre 5702. This movement is found in the Recordmaster, the watch presented in the video. Wonderful piece, with fly back mechanism.

Read the full article about this particular watch here:

https://vintagecitizenwatches.com/2014/02/23/citizen-recordmaster-chronograph-63-0110/

Read more about vintage Citizen (manual and automatic) chronographs here:

https://vintagecitizenwatches.com/chronograph-vcw/

Enjoy! 🙂