Is Silicon Here To Stay In (Rolex) Watch Movements? – Reprise

Hairsprings are miniscule. Generally no more than one centimeter in overall diameter when coiled, they are roughly 50 microns thick and 150 microns wide. Tiny they may be, but insignificant they are not. In fact, they are so significant that Rolex refers to them as “the guardians of time.” But what do silicon hairsprings bring to the table? Watchmaker Ashton Tracy explains why he went from skeptic to fan.

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