Mainspring for Eberhard 400
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3177 | 1.30 mm | 5.5 mm | 0.065 mm | 180 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 56.
🛒 Matching mainspring in our shop
Only 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.
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 3177) also fits
❓ Frequently asked questions
Which mainspring fits the Eberhard 400?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 5.5 × 0.065 × 180 mm (GR 3177, hand-wound, normal end hook).
Is this mainspring available in the shop?
Yes, Master Watch Parts currently has 1 matching mainsprings in stock.
Which other calibers use mainspring GR 3177?
According to the catalogue also in AS 1017, AS 1017/21, AS 1432, AS 1722, Buren 360 and 14 other calibers.
🛠️ For the workshop
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 ›
Swiss Super-LumiNova BGW9 Grade A Luminous Pigment with Clear Lacquer and Thinner99,90 € – 134,90 € incl. VAT *View item ›
SAPPHIRE CRYSTAL WATCH GLASS REPLACEMENT ROUND 2.0 MM THICK FLAT SIZE 20MM-42.5MM27,90 € – 39,90 € incl. VAT *View item ›
