Mainspring for Osco 67
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3626 | 1.40 mm | 7.5 mm | 0.09 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 153.
🛒 Matching mainspring in our shop
Mainspring 1,40-7,5-0,09-2408,99 € incl. VAT *View item
Mainspring 1,40-7,5-0,09-24010,90 € incl. VAT *View itemOnly 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 3626) also fits
❓ Frequently asked questions
Which mainspring fits the Osco 67?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 7.5 × 0.09 × 240 mm (GR 3626, hand-wound, normal end hook).
Is this mainspring available in the shop?
Yes, Master Watch Parts currently has 2 matching mainsprings in stock.
Which other calibers use mainspring GR 3626?
According to the catalogue also in AS 445, AS 1324, Bifora 934, Citizen M, Cyma 9601 and 19 other calibers.
🛠️ For the workshop
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