Mainspring for Eterna 615
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 2777 | 1.15 mm | 7.0 mm | 0.075 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 71.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,15-7,0-0,08-2258,99 € incl. VAT *View item
Mainspring 1,15-7,0-0,08-22510,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 2777) also fits
❓ Frequently asked questions
Which mainspring fits the Eterna 615?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.15 × 7.0 × 0.075 × 240 mm (GR 2777, 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 2777?
According to the catalogue also in ETA 844, Eterna 370, Helbros 35, Movado 28, Rolex 7 3/4 SAV and 1 other calibers.
🛠️ For the workshop
Clock Key 2-4-6-8-10, Star Key for Large Clocks and Wall Clocks, Brass – New8,49 € 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 ›