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Sinn Spezialuhren celebrates its 60th anniversary
Reading Time: 2 minutes Sinn Spezialuhren is celebrating a special anniversary in 2021: the manufacturer of high-quality mechanical watches is turning 60. It was the year 1961 when pilot and blind-flight instructor Helmut Sinn founded the company Helmut Sinn Spezialuhren in Frankfurt am Main. At that time the company focused on manufacturing navigation cockpit […]