Mainspring for Cyma 17" -7
Height, diameter, thickness and length
1.70 × 15.0 × 0.19 × 440 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 |
|---|---|---|---|---|---|
| 5090 | 1.70 mm | 15.0 mm | 0.19 mm | 440 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 43.
🛒 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 5090) also fits
❓ Frequently asked questions
Which mainspring fits the Cyma 17" -7?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.70 × 15.0 × 0.19 × 440 mm (GR 5090, hand-wound, normal end hook).
Which other calibers use mainspring GR 5090?
According to the catalogue also in Heuer 736 19" 1/5 - 1/10, Heuer 736 R. 900, Heuer 814 R. 900, Heuer 918, Heuer 928 and 1 other calibers.
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