2009 -Spherodrive ball-bearing mounted barrel rotor system

Between 2007 and 2009, a specially selected team of engineers and watchmakers has developed a new bearing for the spring barrel's: Spherodrive.

Eterna Spherodrive is a core element of a mechanical watch,  its energy source is very simple annd lubricant-free.  

Eterna launched Spherodrive has been setting new standards for quality and longevity ever since like its legendary Eterna Matic rotor system, which first appeared in 1948.

Dual ball bearing named „Spherodrive” represents a quantum leap in the quality of the gear train mechanism.


Łożyskowanie Spherodrive Eterna



Łożyskowanie Spherodrive Eterna



Łożyskowanie Spherodrive Eterna
 





Łożyskowanie Spherodrive Eterna
 


 


  

Application: Władysław Meller

Other records: Timeline of Watchmaking Innovations

 

ETERNA - KALENDARIUM

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