Originally Posted by
Don Buska
I was not able to find much on the Bridgestone serial numbers on-line that would help me point to the actual manufacturing plant or country. However, the one pictured above is B521446 which I think means it's February (B) of 1985 (5) with a serial sequence of 21446. Naturally that agrees with the fact it is a 1985 model. Is that your interpretation Tmar?
Don
Yes, it was manufactured in 1985 by Bridgestone, however around this time Bridgestone appears to have changed the alpha character from a month to fortnight indicator. So, it could be February or weeks 3-4. Regardless, it's very early in the year.