Helmut Sinn, an instructor for blind flight and former World War II pilot, founds the company ''Helmut Sinn Spezialuhren'' in Frankfurt am Main in 1961. The company's core business is the manufacture of, navigation clocks and pilot chronographs. Since its founding in 1961, the company has focused on high-quality, mechanical watches. When certified engineer Lothar Schmidt acquired the company in 1994, he ushered in a new era of technological development. The list of innovations is impressive, the most significant of which are Ar-dehumnidifying technology, black hard coating, captive safety bezel, diapal, Hydro, magnetic field protection, tegument, temperature resistance technology.
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