Technical Notes: The Silicon Hairspring
Enter, Nivarox. A nickel-iron alloy, as well as the name of a company who works with said alloy, Nivarox has become the most widely used material for hairsprings. With anti-magnetic, anti-wear, anti-corrosive, and rustproof properties, it's no wonder why Nivarox is used for hairsprings. The Swatch Group purchased Nivarox sometime around …