Our spherical spring used in the Vacheron Constantin tourbillon.

The spherical spring used in the Vacheron Constantin tourbillon and mounted in the Rolls-Royce car is prepared by our company.

Source :

https://swisswatches-magazine.com/vacheron-constantin-les-cabinotiers-armillary-tourbillon-x-rolls-royce-amethyst-droptail/