Mainspring for Lanco 878
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 117.
🛒 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 682
- 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 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 Lanco 878?
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 682, AS 918, Bauer Ga 25 GB, BFG 925 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 ›