It seems a cal. 12 from Stowa has never surfaced before, so this was quite an interesting find. Bought from an old guy in Pforzheim which is the home of Stowa. It has the JRGK cal. 12 movement, and the paint on the main-dial has started to fail giving an interesting sunburst effect that switches between blue, black, and gold. The sub-dial paint is fine. No idea of the age as no serial numbers. Has anyone here seen anything similar before ?