Mainspring for AS 682
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3218 | 1.30 mm | 7.5 mm | 0.09 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 8.
🛒 Matching mainspring in our shop
Mainspring 1,30-7,5-0,09-2408,99 € incl. VAT *View item
Mainspring 1,30-7,5-0,09-24010,90 € incl. VAT *View itemOnly mainsprings with exactly the same height, thickness and length are shown; the diameter is equal or up to 1 mm smaller – a smaller spring settles in the barrel.
🔗 According to the catalogue, the same mainspring (GR 3218) also fits
- AS 447
- AS 918
- Bauer Ga 25 GB
- BFG 925
- Bulova 8 AT
- Cortebert 681
- EHF 206
- EHF 206-1
- EHF 222
- Elgin 698
- Elgin 820
- Elgin 821
- Fleurier 400 à 409
- Freco B
- Grau & Hampel 33
- Helbros 72H
- Lanco 824
- Lanco 859
- Lanco 860
- Lanco 878
- Lanco 1133
- Montilier 8 3/4 F. 71
- Roseba 6 3/4 x 8" 70 5 rubis
- Roseba 8 3/4" 66 1-8 rubis
- Roseba 8 3/s" 64 1-8 rubis
❓ Frequently asked questions
Which mainspring fits the AS 682?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 7.5 × 0.09 × 240 mm (GR 3218, hand-wound, normal end hook).
Is this mainspring available in the shop?
Yes, Master Watch Parts currently has 2 matching mainsprings in stock.
Which other calibers use mainspring GR 3218?
According to the catalogue also in AS 447, AS 918, Bauer Ga 25 GB, BFG 925, Bulova 8 AT and 20 other calibers.
🛠️ For the workshop
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 ›
Luminous Pigment for Watch Hands – Swiss Watch Lume, Luminova22,95 € – 52,90 € incl. VAT *View item ›