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Mainspring for ETA 2720 Aut
Height, diameter, thickness and length
1.25 Ă— 11.0 Ă— 0.135 Ă— 400 mmheight Ă— diameter Ă— thickness Ă— 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.
đź“Ź Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3150-X | 1.25 mm | 11.0 mm | 0.135 mm | 400 mm | Automatic, with welded slipping bridle |
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 69.
đź›’ Matching mainspring in our shop
Mainspring 1,25-11,0-0,135-400 ETA 272416,90 € incl. VAT *View item
Mainspring ETA 2724 1,25-11-0,135-40014,90 € incl. VAT *View itemOnly mainsprings with exactly the same height, thickness and length are shown; the diameter is equal or up to 1 mm smaller – a smaller spring settles in the barrel.