Mainspring for FHF 125
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4078 | 1.50 mm | 7.5 mm | 0.08 mm | 280 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 83.
đź›’ Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”— According to the catalogue, the same mainspring (GR 4078) also fits
âť“ Frequently asked questions
Which mainspring fits the FHF 125?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 7.5 × 0.08 × 280 mm (GR 4078, 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 4078?
According to the catalogue also in Aurore 410 Ă 412, FHF 126, FHF 129, FHF 131, FHF 135 Ă 139 and 19 other calibers.
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