Looks like you got a bargain! Here is a site with all the old Fuji catalogs and specs....
http://www.classicfuji.com/index.html
This is the link for the 1987 Titanium models ...
http://www.classicfuji.com/TitaniumSprint_1990_Page.htm
Has it been repainted? Looks like the color the Club Fuji came in. The 105 and 600 components are quite nice to find on an $80 bike.