Sprung to life: who manufactures Hairsprings? An industry perspective on this key component whose production is still shrouded in secrecy – Barely one centimeter in diameter, the hairspring is the beating heart of a watch movement. It is a strategic component in several respects. Manufacturing hairsprings is a complex process and the whole Swiss watch industry has been relying on one supplier, Swatch Group’s Nivarox… at least, until very recently!
