Mainspring for FHF 65
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4880 | 1.70 mm | 9.0 mm | 0.10 mm | 320 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 81.
đź›’ 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.
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”§ Interchangeable spare parts
Which other spare parts of FHF 65 fit other calibers:
đź”— According to the catalogue, the same mainspring (GR 4880) also fits
âť“ Frequently asked questions
Which mainspring fits the FHF 65?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.70 × 9.0 × 0.10 × 320 mm (GR 4880, 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 4880?
According to the catalogue also in Alpina 647, Bulova 10 AF, Bulova AJ, FHF 30, FHF 30-1 and 21 other calibers.
🛠️ For the workshop
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