Mainspring for AS 457
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 2901 | 1.20 mm | 8.0 mm | 0.095 mm | 260 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 6.
đź›’ Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
đź”— According to the catalogue, the same mainspring (GR 2901) also fits
âť“ Frequently asked questions
Which mainspring fits the AS 457?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 8.0 × 0.095 × 260 mm (GR 2901, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 1 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 2901?
According to the catalogue also in Bifora 91.91-1,91SC,91SC/I, Bulova 6 PG, Bulova 6 R, Eterna 246, Frenca 146 and 4 other calibers.
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