![Rolex Balance Parachrom Blue hairspring Bilanciere 3135 for $549 for sale from a Trusted Seller on Chrono24 Rolex Balance Parachrom Blue hairspring Bilanciere 3135 for $549 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/15418250-wommqsijsjapaz4j437d1203-ExtraLarge.jpg)
Rolex Balance Parachrom Blue hairspring Bilanciere 3135 for $549 for sale from a Trusted Seller on Chrono24
ROLEX - After years of research, Rolex created the blue Parachrom hairspring, which is finer than a human hair. Insensitive to magnetic fields and up to 10 times more resistant to shocks,
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