The European models often varied widely from North America. Knowing the serial number would allow me to accurately determine the year but the features points towards 1986.
The frame appears mid-range. The tubing decal indicates an FM-2 CrMo triple butted main frame. Miyata had a lighter FM-1 tubeset for higher end models. The forks are lower grade HM-2 MmMo as are probably the stays.
These frames appear to be a modified gran touring geometry with a shorter top tube designed for upright handlebars. Otherwise they were outfitted like grand tourers with racks front and back, lighting systems and fenders.
Components appear to be a mix of mid and upper end. I suspect eh rear derailleur is a relacement just as the brakes obviously are. I wish I could say more but I'm not very knowledgeable on the European models.