Horological Meandering

Good morning dear collectors, Is here somebody who can help to identify (company, movement caliber, date of product) the given bumper automatic watch? Thanks for your help in advence. Regards, Janos

..sorry, I forget to attached some pictures....  

...and not one I've seen much information on the web about. National Watch was a Swiss brand name used by Eberhard & Cie of La Chaux de Fonds and later sold to Manufacture de Montres NATIONAL S.A. CHS-LEON SCHMID & Cie La Chaux-de-Fonds in 1916. This watc... 

Thank you very much for your very useful support. Your details what you found is a very good starting point to me, because I couldn't find anything during the last two days about this very nice and unique watch. Have a nice weekend. Regards, Janos