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  • Lavoisier Composites X Romain Gauthier : La C by Romain Gauthier Edition Carbonium®
  • Lavoisier Composites X Romain Gauthier : La C by Romain Gauthier Edition Carbonium®

    Unveiled on April 16, the C by Romain Gauthier Carbonium® Edition explores a new balance between technical sophistication and lightness. Designed for enthusiasts of contemporary design, this timepiece combines the lightness of carbon with an openworked sapphire dial for radical transparency. By revealing its skeletonized movement, it offers a modern and technical take on fine watchmaking, also available in several other case materials.
    June 24, 2026 by
    Lavoisier Composites X Romain Gauthier : La C by Romain Gauthier Edition Carbonium®
    Annaëlle Cadet

    The Challenge of Materials: Rethinking Watchmaking

    Traditional watchmaking has been built over centuries on the work of metals. Transitioning to composite, and more specifically to Carbonium®, is not simply about changing materials: it is a technological adaptation.

    C by Romain Gauthier Edition Carbonium®

    We had to undertake a complete redesign of the case to ensure not only the machinability of the components, but above all its durability over time.

    Close-up of the Carbonium® case

    By moving away from metal standards to adapt the design to the properties of carbon, we rose to the challenge of balancing mechanical performance with absolute fidelity to the watch’s design. That is where the true complexity lies: ensuring durability without ever compromising the signature Romain Gauthier aesthetic.

    Our expertise: mastery of structure

    Transforming an idea into a technical reality requires a sharp expertise in the organization of matter. Where classic methods would have required increasing thicknesses to ensure strength, our mastery of the fibrous structure allowed us to achieve a fully composite, waterproof, robust, and refined case.

    Lugs and horns

    This attention to detail is evident even in the fibers of the material, which precisely follow the curve of the horns. This result, made possible by our expertise in component molding, proves that technical innovation is the ideal way to enhance the original design.

    Lug and horns in Carbonium®

    Carbonium®: A Unique Aesthetic Signature

    Beyond its technical performance, Carbonium® offers an unparalleled visual signature. Each piece features a random marbled pattern, making each case unique. This contrast between the "raw" side of carbon fiber and the high-end finish of the movement creates a fascinating visual tension.

    Discover the entire C by Romain Gauthier collection and explore the Carbonium® version directly on the website.

    Visit the Romain Gauthier website

    in Our news

    Other article
    Lavoisier Composites x Clément Entretemps: The truth about carbon
    Carbon in watchmaking is everywhere, but do we really understand it? Between marketing and technical reality, the line is blurred. To debunk common misconceptions, Clément Entretemps immersed himself in our workshops near Lyon. On the agenda: discussions with our experts and discovery of our exceptional materials. A technical immersion that you can now find in video form on YouTube.


    Our approach

    Macro - Carbonium® Gold

    Our ranges

    3 échantillons Carbonium®

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