De Bethune is a high-end Swiss watch brand formed in 2002.
David Zanetta and Denis Flageollet worked together at THA, with Zanetta re-launching L. Leroy there in 1998. After he left in 2002, Zanetta and Flageollet launched the De Bethune brand in La Chaux l’Auberson with the goal of creating a true manufacture.
- De Bethune won the "Aiguille d'Or" Grand Prix at the Grand Prix d'Horlogerie de Genève for the DB28 in November, 2011.
- De Bethune won the Chronograph Watch Prize for the DB29 Maxichrono Tourbillon in November, 2014.
- De Bethune won the Chronometry Watch Prize for the DB25 Starry Varius Chronomètre Tourbillon in November, 2018.