The Junghans 693.74 watch movement is an open face calibre available with options such as a bimetallic screw balance and a Breguet hairspring. It comes in different sizes with heights ranging from 4.2mm to 5.9mm including 18.5 and 19''' variations. There are multiple bridge layouts, two base plates with varying dial-feet positions, and slightly differing setting-lever springs. The movements are grouped under FHF 1 to 14, with calibres such as FHF 1144, 2144, 2146, 4144, and 4146 belonging to these groups. The movement designation starts with FHF 22 for individual calibres. The Junghans 693.74 movement offers functions like stem wind and set, as well as a sub second hand. It is estimated to have been used around 1940.