Trailblazing, practical and precise, Hamilton strikes the perfect balance between Swiss precision and American roots to create distinctive and versatile timepieces. Hamilton has an extensive track record of milestones that have made it an internationally renowned watch manufacturer. W With a background in railway, where precision was key, it forged a great legacy as the official supplier of the United States military and as the watch of choice for the first trailblazers of aviation and film stars.