Traser Military, Tactical, Classic and Professional series are the originators of tritium watches sold to the public and are quality made in Switzerland. These H3 Tritium Watches are well built with diverse designs from the military to a more classical look. In addition to that, they come with the MB3 microtectritium light illumination technology that is the most sophisticated in the market today. Their most popular models are the code blue watch, the classic chronograph big date pro blue and the classic automatic pro blue watch, all with a beautiful blue color illumination. Traser H3 watches are easy to read in low light conditions and especially in total darkness. These watches are used worldwide by police, firemen, first responders and the tactical community, as well as in the Armed Forces of the United States of America.