Mondaine is a Swiss clock and watchmaker perhaps best known for their timeless Swiss Railway design. The company we now know as the Swiss watchmaker Mondaine Watches originally began in 1951 as Frank & Berheim, the name Mondaine being registered in 1954. In 1959 they took over Nuchatel SA which is were they are currently base in Nuchatel, Switzerland. The company has continued to expand since then, especially with their popular "M-Watch". The Mondaine brand name was introduced into Switzerland in 1990.