The New Factory Tavennes 302 is a hunter calibre watch movement manufactured in the 1930s. It offers a range of options including a bimetallic screw balance, Breguet hairspring, and 8 gold settings, likely from or for Hera. Available in heights of 4.1mm, 4.75mm, and 5.0mm, this movement features different bridge shapes compared to other versions. While lacking comprehensive documentation, the New Factory Tavennes 302 movement is recognized by its construction height and generation number. It provides functions such as stem winding and setting, as well as a sub-second feature.