Mainspring for AS 1017/21
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 11.
🛒 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 AS 1017/21?
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 1432, AS 1722, Buren 360, Concord 334 F and 14 other calibers.
🛠️ For the workshop
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›
HIGH DOMED ACRYLIC GLASS Replacement Watch Glass for Wristwatches and Pocket Watches H: 5.25mm6,99 € – 9,99 € incl. VAT *View item ›
Clock Winding Key – 21 Sizes4,65 € – 8,95 € incl. VAT *View item ›
