Do you know? Rolex’s hairspring has evolved from an iron-nickel alloy to today’s blue niobium hairspring. Behind it is not a simple choice of materials, but their ultimate pursuit of precision and reliability! In particular, the Parachrom blue niobium hairspring not only has strong anti-magnetic ability, but also can maintain accuracy for a long time. It is really a “black technology” in the watch industry! Want to know more secrets about Rolex hairsprings? Then read on!

The evolution and selection of Rolex hairsprings

Rolex hairsprings range from Nivarox iron-nickel alloy to Parachrom blue niobium hairspring, and then to the use of silicon hairsprings in some movements, which reflects the brand’s pursuit of hairspring performance.

In the selection of hairspring materials, Rolex has always followed one principle: high reliability and strong repairability. After the silicon hairspring patent expired in 2021, other brands have followed suit, but Rolex has not yet widely used silicon hairsprings on men’s watches.

Features and advantages of Parachrom blue niobium hairspring

Parachrom blue niobium hairspring is the “main force” of Rolex. Its anti-magnetic ability is greater than 6250 Gauss, and the oxidation problem is solved through anodizing process to ensure that the hairspring remains accurate after long-term use.

It is highly repairable and suitable for long-term use, which is why Rolex favors blue niobium hairsprings.

Comparison of silicon hairspring and blue niobium hairspring

The advantage of silicon hairspring is its perfect running curve and anti-magnetic properties, but it is easy to break and cannot be repaired, so it is suitable for high-frequency oscillating movements. Rolex prefers to use blue niobium hairsprings in extreme sports watches.

Parachrom blue niobium hairspring will continue to be Rolex’s main hairspring and is difficult to replace.

Conclusion

After reading this article, I really feel that Rolex’s persistence and innovation in hairsprings are worthy of appreciation. In particular, the advantages of Parachrom’s blue niobium hairspring really make people admire this brand with admiration. What do you think of Rolex’s choice? Will silicon hairsprings really be replaced by blue niobium hairsprings? Welcome to chat about your opinions in the comment area, and don’t forget to give it a like and support!