Mainspring for AS 1780
Height, diameter, thickness and length
1.10 × 7.5 × 0.095 × 240 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 |
|---|---|---|---|---|---|
| 2602 | 1.10 mm | 7.5 mm | 0.095 mm | 240 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 19.
🛒 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
🔧 Interchangeable spare parts
Which other spare parts of AS 1780 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 2602) also fits
📄 Technical document
View the original document for AS 1780 online:
❓ Frequently asked questions
Which mainspring fits the AS 1780?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.10 × 7.5 × 0.095 × 240 mm (GR 2602, hand-wound, normal end hook).
Which other calibers use mainspring GR 2602?
According to the catalogue also in AS 1781, Altus 4, Gruen 823, Jaeger-LeCoultre 409, Moeris 8 3/4 and 2 other calibers.
🛠️ For the workshop
Star Keys, Clock Keys, Winding Keys – Set of 2 (3-5-7-9-11 and 2-4-6-8-10)13,95 € incl. VAT *View item ›
Watch Gasket Hytrel I-Ring Seal for Flat Round Mineral Crystals 16-40 mm, H: 0.6, 0.8, 0.85, 1.25, 1.7 mm5,95 € – 9,95 € incl. VAT *View item ›
Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›