Mainspring for Recta M 1
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3607 | 1.40 mm | 7.0 mm | 0.08 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 164.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 3607) also fits
❓ Frequently asked questions
Which mainspring fits the Recta M 1?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 7.0 × 0.08 × 240 mm (GR 3607, 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 3607?
According to the catalogue also in Aurore 120 à 122, Aurore 122 N, Aurore 123 à 128, Cortebert 599, Cortebert 653 and 13 other calibers.
🛠️ For the workshop
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