Eterna – mainsprings for all calibers

253 calibers with mainspring dimensions

Choose the caliber of your Eterna movement. The caliber page shows the mainspring dimensions and – if in stock – the matching mainspring from our shop.

Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.

⚙️ All calibers

Eterna 0–99

Eterna 100–199

Eterna 200–299

Eterna 300–399

Eterna 400–499

Eterna 500–599

Eterna 600–699

Eterna 700–799

Eterna 800–899

Eterna 900–999

Eterna 1000–1099

Eterna 1100–1199

Eterna 1200–1299

Eterna 1300–1399

Eterna 1400–1499

Eterna 1500–1599

Eterna Other

🛠️ For the workshop

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