Technical

The art of gem setting

Casting gold at Chopard

Shaping and installing the hairspring

A look at the process of electroplating

Explaining How Hairsprings are Made at A. Lange & Söhne

One of the most interesting processes at the Lange factory in Glashütte is the manufacture of hairsprings, a surprisingly labour intensive process for a small and seemingly simple part. Lange is one of only a handful of brands which are able to manufacture their own hairsprings.
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