Sinn watch ezm 9 testaf bracelet
Sinn watch ezm 9 testaf bracelet designed as instruments for professional use our pilot watches must satisfy extremely high requirements when it comes to reliability and performance in order to satisfy these requirements this mission timer was tested and certified by aachen university of applied sciences in accordance with the technical standard for pilot watches technischer standard fliegeruhren testaf this ensures that the ezm 9 testaf is qualified for professional use as a pilot watch