Mainspring for Aurore 2
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3089 | 1.25 mm | 7.0 mm | 0.085 mm | 240 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 21.
🛒 Matching mainspring in our shop
Only 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.
🔗 According to the catalogue, the same mainspring (GR 3089) also fits
❓ Frequently asked questions
Which mainspring fits the Aurore 2?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.25 × 7.0 × 0.085 × 240 mm (GR 3089, hand-wound, normal end hook).
Is this mainspring available in the shop?
Yes, Master Watch Parts currently has 1 matching mainsprings in stock.
Which other calibers use mainspring GR 3089?
According to the catalogue also in AS 1610, Aurore 100 à 112, Aurore 130, Aurore 135, Aurore 262 and 16 other calibers.
🛠️ For the workshop
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