AN OBSESSION WITH PERFECTION
THE PARACHROM
HAIRSPRING
A watch is only as precise as its oscillator is regular. Conventional oscillator hairsprings are made of ferromagnetic alloys, leaving them vulnerable to magnetic fields and shocks. After five years of research, Rolex created the blue Parachrom hairspring. Crafted from a paramagnetic alloy, it is unaffected by magnetic fields and up to 10 times more resistant to shocks. Historically, the unique blue colour of the hairspring has been a sign of prestige reserved for only the most accurate timepieces. Today, it guarantees the accuracy of your Rolex.
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