Mainspring for Lorsa P 75 P
Height, diameter, thickness and length
1.50 × 8.5 × 0.11 × 280 mmheight × diameter × thickness × length
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4148 | 1.50 mm | 8.5 mm | 0.11 mm | 280 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 132.
🛒 Matching mainspring in our shop
We do not currently have a mainspring with exactly these dimensions in our shop. Feel free to write to us – we can often still find a suitable spring. Contact form · All mainsprings in our shop
🔗 According to the catalogue, the same mainspring (GR 4148) also fits
- AS 1650
- AS 1651
- AS 1660
- AS 1661
- Alpina 682
- Doxa 10 1/2" 1
- Forster 50
- Forster 51
- Forster 85. 86
- Forster 150 ancien
- Forster 186
- Forster 500
- Gruen 415
- Gruen 415 CA
- Gruen 415 R
- Gruen 415 SS
- Gruen 417
- Gruen 422
- Helbros 8
- Lorsa 62 P
- Lorsa 72
- Montilier 69 F. 76
- Otero 26
- Otero 26 CLD
- Otero 26 SC 12"
- Phenix 130 SC
- PUW 61S
- Sonceboz 232 A
❓ Frequently asked questions
Which mainspring fits the Lorsa P 75 P?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 8.5 × 0.11 × 280 mm (GR 4148, hand-wound, normal end hook).
Which other calibers use mainspring GR 4148?
According to the catalogue also in AS 1650, AS 1651, AS 1660, AS 1661, Alpina 682 and 23 other calibers.
🛠️ For the workshop
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