Cyma pocket watch
I saw this in a antique shop today,I was tempted but feel I don't know enough (anything) about them.
Any help would be appreciated.
https://i.postimg.cc/yNtqtXzx/IMG-8116.jpg
https://i.postimg.cc/zX5ssG4C/IMG-8118.jpg
https://i.postimg.cc/Qxb2hrrR/IMG-8120.jpg