ETA E01.001 — Swiss Quartz Calibre (2-Hands, HCP4)

The ETA E01.001 is a precision Swiss quartz movement engineered for slim profile watches with two central hands (hours and minutes). It belongs to ETA’s E/Z series of quartz calibres, known for mechanical reliability, long service life, and suitability in minimalist dress watches, entry-level Swiss timepieces, and thin cases.

Specifications

Movement Type:

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  Swiss quartz electronic movement

  
  

Calibre / Reference:

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  ETA E01.001

  
  

Functions:

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  Hours

  
  


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  Minutes
  
  (No seconds hand — optimized for simplicity and dial symmetry)

  
  

Ligne / Diameter:

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  Approximately  4 7/8 Ligne 

  
  

Total Height (Movement Thickness):

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  4.10 mm — engineered for slim case constructions while maintaining robust internal architecture

  
  

Hand Protocol / Train:

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  HCP4 — denotes the specific hand coupling profile and gear train variant used for two-hand output

  
  

Jewels:

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  5 jewels

  
  

 Features

Timekeeping:

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  Quartz regulation (accurate to industry standards)

  
  


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  Reliable stepper motor control for minute changes

  
  

Power Source:

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  Standard button cell battery (e.g. 317 )

  
  


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  Long battery life due to low power draw with only two hands

  
  

Date / Calendar:

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  None (pure 2-hand configuration)

  
  

Stem / Setting:

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  Simple quick-set via crown for time adjustment

  
  

Gear Train & Torque:

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  Optimized low-torque train suited to minimal hand mass

  
  


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  Smooth minute hand motion and low current draw

  
  


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  Stable power delivery for long battery life

  
  

Compatibility:

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  Standard 7¾''' dial feet positions and stem location common across many Swiss OEM and aftermarket assemblies

  
  


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  Ideal for dress watches and thin case profiles