The TAG Heuer Carrera Calibre Heuer 02T Tourbillon Nanograph

The balance spring is arguably the single most critical component of a wristwatch. It’s responsible for making sure that the oscillations of the balance are consistent, but to do so, it has to address – both metallurgically and in its configuration
The A. Lange & Söhne Datograph Perpetual Tourbillon With Pink Gold Dial

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