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The Encyclopedia of Horology

Grenchen, Switzerland

Eterna

Partially verified

Wristwatches

History

Parent of the ETA movement business.

Major innovations

    Known markings

    • 'Eterna'

    Serial numbers

    This archive holds no verified serial-number table for this maker. Do not date a piece from its serial number alone; use case hallmarks, movement design and documented comparison examples.

    Collecting significance

    Originality of dial, hands, case and movement is the main consideration. Check that the movement belongs to the case and that the dial has not been refinished.

    Sources & references

    1. Kathleen H. Pritchard, Swiss Timepiece Makers 1775–1975
    2. Brian Loomes, Watchmakers and Clockmakers of the World
    3. Mikrolisk trademark and maker index

    Where sources disagree, the disagreement is stated rather than resolved silently.