– How do vintage watches have such incredible tolerances?

Question

I see vintage watches repaired. When the case is opened the movements are so well-designed and engineered, with gear teeth cut to the 0.1 MM level and thin, perfect jewels. How is such mechanical precision possible from decades ago?

In: Engineering

Answer 1

Check out the YouTube channel “Click Spring” – he does a lot of research and reproduces the techniques used in ancient times to get incredible levels of precision with simple tools and supplies.