Mainspring for Universal 601
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3171 | 1.30 mm | 5.5 mm | 0.06 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 189.
🛒 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.
🔗 According to the catalogue, the same mainspring (GR 3171) also fits
❓ Frequently asked questions
Which mainspring fits the Universal 601?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 5.5 × 0.06 × 180 mm (GR 3171, 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 3171?
According to the catalogue also in AS 1042, Fleurier 160 à 169, Girard-Perregaux 41, Rolex 90, Solvil 073 and 3 other calibers.
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