DUW 4101 is a hand-winding movement with date in the Nomos DUW 4000/5000 family. It is closely related to the predecessor Nomos Beta movement but adds the in-house Nomos Swing System assortment.
|No Date||DUW 5001|
|Date||DUW 4101||DUW 5101|
|World Time||DUW 5201|
|Power Reserve||DUW 4301|
|Date and Power Reserve||DUW 4401|