Mainspring for AS 1537
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3577 | 1.40 mm | 6.5 mm | 0.07 mm | 240 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 17.
🛒 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.
🔧 Interchangeable spare parts
Which other spare parts of AS 1537 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 3577) also fits
❓ Frequently asked questions
Which mainspring fits the AS 1537?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 6.5 × 0.07 × 240 mm (GR 3577, 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 3577?
According to the catalogue also in Enicar 740, Wittnauer 6 WS 76, Wittnauer 1470.
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