The Dugena 2113 watch movement is an open face calibre, model 5, that was produced from 1915 to 1917 with 129,000 units made. It features a bimetallic screw balance and Breguet hairspring, utilizing a negative stem mechanism. Similar to the 0 size model 3, it has a smaller base plate. The specific differences between models 3, 5, and 7 are currently unknown. The Dugena 2113 movement is equipped with stem wind and set capabilities, as well as a sub second function.