Was Bridgestone Bridgestone before and after it was Kabuki?.

Looks mid-'70s, and heavy. By 1980, they were using the Kabuki name. By the mid-'80s, they'd dropped the Kabuki name. The shape of the stem, the low-level Shimano rear derailleur, the cottered cranks, and of course the lug shape, mark it as not an '80s Bridgestone, I think.