The France Ebauches 4612 is a mechanical watch movement manufactured between 1961-1964, with a total production of 72,000 units. It features a jewel-bearing rotor and a ball-bearing crown wheel made of beryllium bronze. The movement incorporates an excenter regulator and utilizes Kif-Duofix combined settings for the escapement wheel and 3rd wheel. Additionally, it includes functions such as automatic winding, sweep seconds, and a date feature that can be adjusted by changing the time between 18:20-24h. The movement is equipped with shock protection.