Premise: The TK95 microcomputer was the evolution of the TK90X made in the second half of the 1980s by Microdigital Eletronica, a company located at São Paulo, Brazil that manufactured some ZX81 clones before (TK82, TK82C, TK83 and TK85) and a ZX80 clone (TK80). The first version was launched in November 1986.
Hypothesis: The first version was launched more than 3000 hours ago.