The Fontainemelon 82 watch movement features a ratchet on the dial side and a crown mechanism with a rocker bar. It includes a rear winding gear that is purely decorative in nature. The specific differences between the 260 through 266 variations of this movement are not known. Functionally, the Fontainemelon 82 movement offers manual winding and sub-second display. It was primarily utilized during the approximate period of 1950.