Mainspring for EB 270

Height, diameter, thickness and length

1.15 × 7.0 × 0.085 × 220 mmheight × diameter × thickness × length
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.

📏 Mainspring dimensions

GR no.HeightDiameterThicknessLengthType
27891.15 mm7.0 mm0.085 mm220 mmHand-wound, normal end hook

All dimensions in millimetres. The height of a mainspring is often also called its “width”. Source: Générale Ressorts, mainspring catalogue GR 2 (March 1974), page 53.

🛒 Matching mainspring in our shop

No mainspring with exactly these dimensions in our shop at the moment.

🔄 Alternative mainsprings

Same height, diameter equal or slightly smaller. Please check yourself before ordering.

🔗 According to the catalogue, the same mainspring (GR 2789) also fits

❓ Frequently asked questions

Which mainspring fits the EB 270?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.15 × 7.0 × 0.085 × 220 mm (GR 2789, hand-wound, normal end hook).

Is this mainspring available in the shop?

An exact match is not in stock right now, but 3 similar mainsprings are possible alternatives.

Which other calibers use mainspring GR 2789?

According to the catalogue also in Buren 5 1/4", Helbros 10 New, Precimax 102.

All EB mainsprings · Mainsprings

WordPress Cookie Notice by Real Cookie Banner