I asked a similar question in a different forum, without much success, so I thought I'd try again here in a slightly different way.
My question is this: if I buy a watch new today, and take good care of it with regular maintenance (but wear it regularly, not just keep it in a drawer), how long can I reasonably expect that it might last? Is it reasonable to think that it could be handed down for many generations in the future (in usable condition and with original parts)?
I would imagine that some parts would break down sooner than others, and would need to be replaced. And I would want to replace them with original parts, which obviously could be a problem in the future as companies stop making them and/or go out of business.
As an example, I own a watch from 1914 that I would like to maintain as a (new) collector, but it is difficult to impossible to get original parts. I can find spare movements, but most often those have parts that are just as worn down as the movement in my watch.
On a related note, if anyone is interested in this topic they may also be interested in a project called the "10,000-year clock" which you can google if you would like to learn about. I have no connection whatsoever to that project, but I believe it raises some very interesting ideas about how we think about and measure time.
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