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Bianchet is a Swiss luxury Watchmaker company known for creating tonneau-shaped tourbillon watches.
Bianchet is the first watchmaking company to have developed its entire watch movement architecture and watch cases using the golden ratio of 1.618 and the Fibonacci sequence as a design basis. It is also the first company to have developed a tonneau-shaped watch in carbon capable of resisting a pressure of 10ATM or 100 meters of water depth, for which the company uses a proprietary high-density carbon composite infused with titanium dust. Bianchet pioneered the integration of a full-carbon bracelet into a tonneau-shaped watch with the UltraFino Carbon.
After founding the company in 2017, Bianchet presented its prototype at Baselworld in 2019. Two years later, the company released its first watch, the Tourbillon B 1.618 Openwork, at the Geneva Watch Days and participated in the Grand Prix D'Horlogerie de Genève. The same year, Bianchet opened its first showroom in Neuchâtel, Switzerland. In 2022, Bianchet presented the Tourbillon B 1.618 new limited editions at the Geneva Watch Days. As of 2023, Bianchet is an Associated Brand of the Geneva Watch Days, and its timepieces are distributed in 22 countries.
On the occasion of Geneva Watch Week 2024, Bianchet introduced its Flying Tourbillon Sport GMT, which allows simultaneous reading of two . Equipped with an in-house titanium Tourbillon, the watch movement is adorned with a rotating Earth dome synchronised with the Clock face.
In February 2025, Bianchet introduced the B 1.618 UltraFino, a tonneau-shaped timepiece with an integrated bracelet in titanium, which marks an evolution in the integrated sport tonneau watch. This model, available in a Skeleton watch and dial version, features a 8.9 mm slim tonneau case in titanium with a curvature of 1.2 mm. The watch made its debut during the Geneva Watch Week events. Alongside this launch, Bianchet introduced its first automatic tourbillon movement crafted from titanium —the Ultra-thin caliber UT01 measuring 3.85 mm in height with a tourbillon cage of 2.66 mm—marking a significant milestone in the brand’s horological history. Both the watch and movement are designed using the mathematical principles of Golden Ratio (1.618), such as the gold rotor which represents 12 interlacing Fibonacci spirals, and the back bridges of the movement which form concentric Golden Circles, with the objective of obtaining aesthetic harmony. In March 2025, Bianchet introduced the UltraFino Carbon, the first tonneau-watch with an integrated carbon bracelet. The watch is crafted from high-density carbon and weighs 62 grams with a monobloc carbon architecture. Despite its 8.9mm slim case, it can resist shocks of 5000G and 5ATM of water pressure.
The brand is also known for blending technical and precious materials, such as gold with carbon or sapphire with rubber. In July 2024, Bianchet introduced the hybrid-gold versions of its Grande Date and Sport GMT models, featuring the fusion of carbon, gold, rubber, and titanium. A month later, the brand unveiled its first sapphire timepiece, pioneering the integration of rubber gaskets within a sapphire watch case.
In February 2025, Bianchet introduced its first automatic flying tourbillon movement, the Ultra-thin caliber UT01, measuring 3.85 mm in thickness and weighing 8 grams, with a tourbillon cage standing at 2.66 mm in height, one of the thinnest and lightest automatic tourbillon movements in existence. To achieve this ultra-flat architecture, Bianchet developed a suspended barrel and engineered a new escapement stacking solution, allowing high functional safety margins and ensuring shock absorption of up to 5000Gs. The movement also features a proprietary winding and time-setting system meant to improve energy transfer and ease of use.
Since 2022, Bianchet has been a business partner with Big Blue Ocean. Both organisations contribute to cleaning oceans, protecting vulnerable marine animals, and providing free educational resources.
In 2023, 2024 and 2025, Bianchet signed several public figures as its brand ambassadors, including Formula 1 Driver Esteban Ocon, professional tennis players Grigor Dimitrov, and Alexander Bublik., big wave surfer Francisco Porcella, Formula E Driver Maximilian Gunther, and racing driver Stefano Costantini,
In 2024, Bianchet became the Official Timekeeping Partner of Formula E team Maserati MSG Racing. The partnership was inaugurated with a limited edition of the brand's signature Flying Tourbillon B 1.618 Grande Date in collaboration with the racing team; the launch happened during 2024 Monaco ePrix.
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