Very few companies manufacture hairsprings in Switzerland (read our article, Who manufactures hairsprings? See here) Producing this strategic component is a complex, labour intensive process shrouded in secrecy. Very few manufacturers would open their doors to show how they work. Monochrome goes behind the scenes, at E2O innovation, sister company of Schwarz Etienne, to provide an in-depth look at how this independent maker has built a rather impressive structure and expertise in the field.
