1960's GRUEN Precision Autowind Wristwatch 25 Jewels Cal. 712CA Swiss Made Watch

GRUEN Watch Company One of the most important and prestigious American watch manufacturers! Gruen watch company was an American watch company founded in 1874 in Cincinnati, Ohio, USA by German-born watchmaker Dietrich Gruen. "On December 22, 1874, Gruen obtained a patent for an improved safety pinion, and it is the date recognized by the Gruen Watch Company as the start of its business."In 1894, Dietrich, along with his eldest son, Frederick G. Gruen, started as “D. Gruen & Son” and years later, the second son George J., joined the firm and the name was changed to “D. Gruen & Sons”.  The company quickly became a major player in the American watch industry, prove of that, one of the company's most significant contributions to the watchmaking industry, the Gruen Precision movement. Introduced in the 1930s, it was a highly accurate and reliable movement that quickly gained a reputation for excellence. The Gruen Precision movement was an improvement over earlier Gruen movements and