Mainspring for FHF 814-815
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3681 | 1.40 mm | 9.5 mm | 0.105 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 86.
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 3681) also fits
- Femga 152 anc
- Femga 520 B
- Femga 535 B Calendrier
- FHF 51
- FHF 76 nouveau
- FHF 76-2
- FHF 81 - 81 N
- FHF 81-2
- FHF 761-2
- FHF 762-2
- FHF 763
- FHF 763-2
- FHF 811
- FHF 811-2
- FHF 2634
- FHF 2696
- FHF 6424 10 1/2"
- FHF 6466
- Geneva 40
- Geneva 41
- Geneva 48
- Geneva 50
- Geneva 51
- Geneva 57
- Geneva 70
- Geneva 71
- Girard-Perregaux 91
- Gruen 920 SS
- Marc Favre 175
- Montilier 260
- Montilier 261
- Movado 206 C
- Movado 260/260 M
- Pierce 135
- Ronda 1013
- Ronda 1113
- Ronda 1213
- Ronda 1223 mouv
- Ronda 1313
- Silvana 1067
- Wyler WG 37
- Wyler WG 311
- Wyler WG 313
- Wyler WH 36
âť“ Frequently asked questions
Which mainspring fits the FHF 814-815?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.5 × 0.105 × 320 mm (GR 3681, 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 3681?
According to the catalogue also in Femga 152 anc, Femga 520 B, Femga 535 B Calendrier, FHF 51, FHF 76 nouveau and 39 other calibers.
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