Mainspring for West End Fido 13"
Height, diameter, thickness and length
1.60 × 15.5 × 0.16 × 560 mmheight × diameter × thickness × length
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4641 | 1.60 mm | 15.5 mm | 0.16 mm | 560 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 197.
🛒 Matching mainspring in our shop
We do not currently have a mainspring with exactly these dimensions in our shop. Feel free to write to us – we can often still find a suitable spring. Contact form · All mainsprings in our shop
🔗 According to the catalogue, the same mainspring (GR 4641) also fits
❓ Frequently asked questions
Which mainspring fits the West End Fido 13"?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 15.5 × 0.16 × 560 mm (GR 4641, hand-wound, normal end hook).
Which other calibers use mainspring GR 4641?
According to the catalogue also in Oris 97, Oris 99, Oris 100.
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