Mainspring for Universal 75
Height, diameter, thickness and length
1.30 × 6.0 × 0.07 × 220 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 |
|---|---|---|---|---|---|
| 3186 | 1.30 mm | 6.0 mm | 0.07 mm | 220 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 187.
🛒 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 3186) also fits
❓ Frequently asked questions
Which mainspring fits the Universal 75?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.0 × 0.07 × 220 mm (GR 3186, hand-wound, normal end hook).
Which other calibers use mainspring GR 3186?
According to the catalogue also in Altus 6, Doxa 7 3/4 - 105, Durowe 261, ETA 2570, ETA 2578 and 6 other calibers.
🛠️ For the workshop
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›
HIGH DOMED ACRYLIC GLASS Replacement Watch Glass for Wristwatches and Pocket Watches H: 5.25mm6,99 € – 9,99 € incl. VAT *View item ›
Clock Winding Key No. 8 for 4.25 mm Square, Brass7,95 € incl. VAT *View item ›