Mainspring for Marc Favre 157
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3729 | 1.40 mm | 10.5 mm | 0.12 mm | 340 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 133.
🛒 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 3729) also fits
❓ Frequently asked questions
Which mainspring fits the Marc Favre 157?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 10.5 × 0.12 × 340 mm (GR 3729, 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 3729?
According to the catalogue also in AS 750, Elgin 659, Enicar 731, Enicar 1130, FHF 73 and 16 other calibers.
🛠️ For the workshop
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