The Eterna 1417U watch movement, produced during the years 1889-1927, is a hunter calibre movement with approximately 176,820 units manufactured. It features a bimetallic screw balance with four adjustment screws and a Breguet hairspring. The movement also includes a barrel with Geneva stopwork. Further details can be referred to the IWC 52 19'''H5 model. The specific functions of this movement include stem winding and lever setting, as well as a sub-second display.