Mainspring for Felsa 291
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4047 | 1.50 mm | 5.5 mm | 0.065 mm | 180 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 77.
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 Felsa 291 fit other calibers:
đź”— According to the catalogue, the same mainspring (GR 4047) also fits
âť“ Frequently asked questions
Which mainspring fits the Felsa 291?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 5.5 × 0.065 × 180 mm (GR 4047, 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 4047?
According to the catalogue also in AS 973, Felsa 53, Felsa 290, Felsa 372, Felsa 372 N and 4 other calibers.
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