The Buren 1420 watch movement, which was utilized around 1965, features a pin-lever escapement. It incorporates an indirect minute hand friction clutch on the barrel and a flying barrel. The movement showcases an ingenious design where a single part effectively replaces the setting-lever spring, yoke, and yoke spring. In addition, the Buren 1420 movement supports manual winding, includes sub seconds, and offers a date function.