Mainspring for Landeron 522 N
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3520 | 1.35 mm | 12.0 mm | 0.135 mm | 380 mm | Hand-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 120.
đź›’ Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”§ Interchangeable spare parts
Which other spare parts of Landeron 522N fit other calibers:
đź”— According to the catalogue, the same mainspring (GR 3520) also fits
âť“ Frequently asked questions
Which mainspring fits the Landeron 522 N?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.35 × 12.0 × 0.135 × 380 mm (GR 3520, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 1 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 3520?
According to the catalogue also in Landeron 10, Landeron 11 - 13", Landeron 13 - 13", Landeron 520, Landeron 521 and 10 other calibers.
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