NOMOS Glashütte Zeta

The Zeta caliber is an automatic movement enhanced by NOMOS's patented date mechanism. First automatic from NOMOS with a calendar complication. The date ring set around the movement keeps it as flat and elegant as ever despite the added functionality. Powers the Tangomat Datum and Ahoi Datum among others. Features bidirectional winding rotor with excellent winding performance and rate accuracy. Later succeeded by DUW 5101 with Swing System.