Breguet Unveils the Expérimentale 1: A Revolutionary Watch with a Contact-Free Magnetic Escapement

Celebrating its 250th anniversary, Breguet introduces a significant advancement in horology: the Expérimentale 1. This innovative timepiece showcases the world's first high-frequency (10Hz) tourbillon equipped with a magnetic escapement, designed to provide unvarying force to the balance wheel. This release inaugurates Breguet's new Expérimentale series, a collection dedicated to pushing the boundaries of watchmaking innovation, much like the brand's esteemed founder, Abraham-Louis Breguet, did with his groundbreaking inventions such as the tourbillon and constant-force escapement.

The Expérimentale 1 embodies a blend of modern aesthetics and historical references. Encased in a sporty 43.5mm Breguet gold Marine case, it boasts contemporary features like an interchangeable rubber strap and fully luminous indications for optimal readability. Despite its modern appeal, the watch pays homage to its heritage through design elements reminiscent of the historical Reference 3448 and the pioneering Marine Chronometer No. 104, notably featuring Arabic numerals—a detail shared with one of A.-L. Breguet's earliest known marine chronometers. The watch aims to conquer three primary challenges in achieving ultimate precision: maintaining consistent balance amplitude, mitigating the effects of gravity, and enhancing shock resistance.

To overcome these challenges, Breguet implemented a sophisticated solution: a 10Hz tourbillon paired with a constant-force magnetic escapement. The magnetic system ensures a stable impulse to the balance throughout the power reserve by decoupling the impulse function from the gear train and tourbillon cage, thereby minimizing inertia's impact. This allows for a larger tourbillon and novel design possibilities, such as an offset balance. The high frequency enables quicker recovery from disturbances, while the tourbillon's 60-second rotation effectively averages out gravitational effects. Though the use of magnets in mechanical watches has traditionally been problematic, Breguet's previous explorations, including the Classique 7225 with its magnetic pivot, laid the groundwork for this controlled magnetic interaction. The Expérimentale 1's hand-winding Caliber 7250 features a unique escapement architecture with two magnetic-tracked escape wheels and a pallet lever with magnetized pallets, all working to provide precise and stable impulses. Components are crafted from non-magnetic materials like silicon for the balance spring and LIGA (NiP12) for the fixed fourth wheel, with other parts made from titanium or Nivagauss, emphasizing the brand's commitment to cutting-edge materials and precision engineering. The timepiece is certified under the Breguet hallmark in the 'Scientific' category, guaranteeing an impressive accuracy of ±1 second over 24 hours.

The Breguet Expérimentale 1 is not merely a technical marvel; it is a statement of visionary design and innovation, priced at CHF 320,000. Its open architecture and sapphire dial offer an unobstructed view of the intricate movement, with hours displayed at 6 o'clock and the tourbillon-integrated minutes and seconds at 12 o'clock, a layout known for its clarity. The patented twin-barrel system further optimizes energy delivery and space utilization. This watch, with its blend of traditional Breguet elements and bold innovation, stands as a testament to the brand's continuous pursuit of excellence and its foundational role in the evolution of horological science. It represents a significant step forward, inspiring future generations of watchmakers and enthusiasts alike with its dedication to pushing the boundaries of precision and mechanical artistry.