Originally Posted by T-Mar

It was manufactured in 1980.so it is either a 1980 model or possibly a 1981 model, if manufactured late in the year. The 'W' is actually a stylized 'CWC', the 'C's being co-joined withe 'W" and the lead 'C' facing backwards. It's the logo for West Coast Cycle (Supply),the California based company that originally owned the Nishiki brand. The bicycles were contract manufactured for West Coast Cycle Supply by various manufacturers, with yours being produced by Kawamura of Japan.