Rolex SA, is a Swiss luxury watchmaker, and was co founded, in which year, by Hans Wilsdorf, a German watchmaker, and the founder of noted watch brands Rolex and Tudor?
Rolex Rolex SA ( ) is a Swiss luxury watchmaker. The company and its subsidiary Montres Tudor SA design, manufacture, distribute and service wristwatches sold under the Rolex and Tudor brands. Founded by Hans Wilsdorf and Alfred Davis in London, England in 1905 as Wilsdorf and Davis, Rolex moved its base of operations to Geneva, Switzerland in 1919.
Gruen Watch Co. The Gruen Watch Company was formerly one of the largest watch manufacturers in the United States. It was in business from about 1894 to 1958 and was based in Cincinnati, Ohio. It was founded in 1908 by German-born watchmaker Dietrich Grün, who changed the spelling of his name to "Gruen" because the letter ü does not exist in English.