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I think a smart watch is a more impressive piece of engineering!

A much too thick one, unfortunately.

I think that's subjective. I have no problems with mine!

thanks for sharing

It would be pretty trivial to flatten a Casio - or equivalent tech - to this degree. The biggest problem would be battery thickness. If you didn't support charging or battery replacement you could fix that with a standard ultra-thin rechargeable battery and solar power.

OLED panels are less than 1mm thick, so the display wouldn't be a problem.

I'd honestly be more interested in that as a product than in a clockwork Veblen toy.

It's a different kind of engineering, and hard to compare.

The watch I'm wearing today was made in the 1950s, and keeps good time. I'd be amazed if the smart-watches that people are wearing in the office today are still functional in 70 years.

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