Mainspring for Otero 139
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3209 | 1.30 mm | 6.5 mm | 0.085 mm | 200 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 154.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
🔧 Interchangeable spare parts
Which other spare parts of Otero 139 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 3209) also fits
❓ Frequently asked questions
Which mainspring fits the Otero 139?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.5 × 0.085 × 200 mm (GR 3209, 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 3209?
According to the catalogue also in Otero 137.
🛠️ For the workshop
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