Originally Posted by Spld cyclist

Well, I remember my father had a nice all-metal one on his 1976 Super Le Tour. I managed to break it by going too fast down a hill. As I recall, there was a maximum recommended speed. Maybe if the little pointer that spun the wheel thingie on the odometer had been in perfect alignment....

I have a slightly less nice Schwinn mechanical odometer from the early 1980s. I think it's plastic. I don't think it is resettable. You can have it for the cost of shipping (if I can find it that is).