
In 1883, Jakob Kienzle married into the Schlenker family, and became a partner in the company. The company was renamed to Schlenker & Kienzle from 1883 until 1922, when it became a stockholder corporation under the name Kienzle Uhrenfabrik, A.G. (Kienzle Clock Factories, A.G.). When the company introduced the "American System" of production in 1894, s. . Junghans Uhren GmbH is a German watch and clock manufacturer. The company is located in the district of Rottweil, in the town of , , southwest Germany. In 1903, Junghans was the largest watch factory in the world and in 1956 it wa.