In celebration of America's 250th Anniversary, Hamilton is looking back through its own history to revive one of its most legendary and rare tool watches As the United States of America celebrates 250 years since the signing of the Declaration of Independence this year, reflecting on two and a half centuries of history, Hamilton is also looking back on its past. Instead of the 1770s, however, the Swiss-based watch brand has drawn inspiration from the 1970s and has announced the release of the Khaki Field Mechanical 36mm, a virtually 1:1 recreation of the famed 36mm Hamilton FAPD-5101 Type 1 created as a navigator's watch for the U.S. Air Force in the 1970s. The Hamilton Boutique in Lancaster, PA - formerly the Bowman Technical School for watchmakers. The FAPD-5101 Type 1 variant was produced in September of 1970 and was intended for use by U.S. Air Force personnel during the Vietnam War as a navigator's watch. While Hamilton also produced many other watches for the U.S.…