Nomos Beta
Nomos Beta (β) is a manual winding movement with date display. It is an evolution of the predecessor Nomos 1 TSD and 1 TSDP and was produced from 2005 until 2016.
Overview
The 2005 introduction of the Alpha movement family was an important turning point for Nomos. Although based on the preceding Nomos 1 TSP, it was largely constructed in-house rather than being a refinished ebauche. The gear train is similar to the classic Peseux 7001, but was placed in a new enclosure based on the classic Glashütte three-quarter plate design. Nomos updated many of the components, adding hacking seconds, and completely reworked the finishing with rhodium-plated surfaces, blued screws, Glashütte Stripes, and Glashütte solar grinding or Langeleist-Perlage.
Calibre Beta was released at the same time as Nomos Alpha (without date) and Nomos Delta (with date and power reserve indicator). All three are hand-winding movements, as was the Nomos Gamma which followed in 2007. In 2006, Nomos followed with a family of automatic movements, Epsilon, Zeta, and Xi, with similar features. Alpha is smaller than the others, however, at just 23.3 mm diameter and 2.6 mm thick.
The Beta movement adds an unusual and patented date display. Typically, a date wheel and associated gears are stacked below the mainplate between the rest of the watch movement and the dial. However, this makes these movements more bulky and thick. Instead, Nomos places the date ring around the movement, with the switching mechanism integrated into the movement itself, making the Beta and Delta nearly as thin as the Alpha, on which they are based.
For the Tangente Observatory, the date index is modified to function as a day/night display.
A direct successor to the Nomos Beta was introduced in 2015, the DUW 4101 featuring the Nomos Swing System. The Beta calibre was phased out after this and removed from the catalog in 2016.
This movement is officially named using the Greek letter "β", but Nomos often writes it as "Beta".
Applications
See Also
This movement is part of a family of Nomos movements produced since 2005. The movement is partially made in-house, though the assortment is supplied by a third-party. It was supplanted by the in-house Nomos Swing System family starting in 2014.
- Nomos Alpha Hand winding
- Nomos Beta Hand winding, date
- Nomos Delta Hand winding, date, power reserve indicator
- Nomos Epsilon Automatic
- Nomos Zeta Automatic, date
- Nomos Gamma Hand winding, power reserve indicator
- Nomos Xi Automatic, GMT or world time
- Nomos Alpha.2 Hand winding, 2 hands
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