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nomos_epsilon

Nomos Epsilon

Nomos Epsilon (dial side)
Nomos Epsilon

The Epsilon (ε) is the first automatic movement from Nomos. It was introduced in 2006 and remains in production as of 2019, even though the successor DUW 5001 has entered production.

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. This was followed in 2006 by the Nomos Epsilon, the first Nomos movement with automatic winding. Both movements feature a gear train similar to the classic Peseux 7001, but 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.

The automatic movements consist of Epsilon, Zeta (with date), and Xi (with GMT or world time disc). All three movements measure 13¾ ligne (31 mm) in diameter, but Epsilon is thinnest at 4.3 mm. Although similar to Nomos Alpha, Epsilon uses the wider main plate of the date models to make room for the automatic winding rotor. moving the rotor to the edge allows the movement to remain quite thin.

A direct successor to the Nomos Epsilon was introduced in 2018, the DUW 5001 featuring the Nomos Swing System. The Epsilon movement continues in use, however, as of 2019.

This movement is officially named using the Greek letter “ε”, but Nomos often writes it as “Epsilon”.

Epsilon Version 2

The first version of the Epsilon movement had 24 jewels. In May 2007, Nomos switched to a new version with 26 jewels. One wheel in the automatic winding system was set in two extra jewels, allowing better winding efficiency and durability thanks to reduced friction.

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.

Manufacturer:

Description:

Functions:

Data:

  • 13¾ lignes
  • D 31 mm, H 4.3 mm
  • 26/24 jewels
  • 21,600 A/h
  • Bi-directional winding central rotor with Wippe
  • Power reserve About 43 hours

Extras:

Production period:

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nomos_epsilon.txt · Last modified: 06.09.2021 18:01 (external edit)

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