The Felsa 162 is an open face calibre watch movement that was in use around 1925. It incorporates a Breguet hairspring and offers a variety of functions, including a stem wind and set chronograph with 60-second and 30-minute subdials. The movement also features a pillar wheel mechanism and a sub second hand. One notable feature is the flyback function, which allows for the immediate reset and restart of the chronograph.