In Saint-Imier, the Froidevaux group’s steel
His CDH20.20 steel releases so little nickel that it cannot be allergenic. When it comes to sharing his knowledge of steelmaking, Henri Machwirth combines his specialist skills with a hefty…
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Le cadran, par le Dr. Helmut CROTT
The work of a lifetime, the book “Le Cadran” by Dr. Helmut Crott (edited by Joël A. Grandjean), the history of the dial in the 20th century, the prestigious history of the Stern dials and of a family that took over the Patek Philippe brand
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