I have now figured out how to open up the watch. It has engraved inside London, JB 4676 ,nowlanta and finer. The numbers 4676 are stamped in a few places in the watch.
Well it looks like a late 1800's 2-inch fusee movement. The balance wheel is quite simple and there isn't a great deal of decoration on the movement so unfortunately I don't think it would be worth a great deal. The motif on the front could well be someone's coat of arms.