The Poljot 2609.H is a mechanical watch movement manufactured during the period of 1909-1918. This open face calibre features a bimetallic screw balance with four adjustment screws. The watch and alarm functions are driven by a single barrel. The alarm wheel, with a setting hand, is located on the dial side, and the crown mechanism is equipped with a single-arm rocker bar. This movement offers options such as a crown mechanism with a set lever and a back crown for alarm setting. In addition, it includes functions such as stem winding, pin or lever setting for the alarm, and a sub-second display.