Tudor is a Swiss watchmaker based in Geneva, Switzerland, founded in 1926 by Hans Wilsdorf, who also founded Rolex. It operates as a sister company to Rolex, both owned by the Hans Wilsdorf Foundation, with the aim of offering high-quality watches at a more accessible price point. The company is renowned for producing robust and reliable luxury watches, including those used by military and professional divers, and has expanded its collections to feature various styles and in-house movements.