Mainspring for AS 311 à 313
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3680 | 1.40 mm | 9.0 mm | 0.105 mm | 300 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 6.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,40-9,0-0,11-2808,99 € incl. VAT *View item
Mainspring 1,40-9,0-0,10-3008,99 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 3680) also fits
❓ Frequently asked questions
Which mainspring fits the AS 311 à 313?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.0 × 0.105 × 300 mm (GR 3680, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 2 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 3680?
According to the catalogue also in AS 362. 363, AS 653, Aho 1021, Aho 1022 CLD, Aho 1121 and 7 other calibers.
🛠️ For the workshop
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Domed Sapphire Watch Crystal, 1.0 mm, Ø 16-40 mm – Replacement, New31,90 € – 44,90 € incl. VAT *View item ›
High-Domed Watch Crystal Sternkreuz HW, Flume, for Wrist and Pocket Watches, 12-40 mm5,95 € – 10,90 € incl. VAT *View item ›