Mainspring for AS 963
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4466 | 1.60 mm | 9.0 mm | 0.09 mm | 320 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 10.
🛒 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.
🔗 According to the catalogue, the same mainspring (GR 4466) also fits
❓ Frequently asked questions
Which mainspring fits the AS 963?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 9.0 × 0.09 × 320 mm (GR 4466, 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 4466?
According to the catalogue also in AS 933, Mido 110, Wittnauer 11 B/11 BG, Wittnauer C 11 BG.
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