Mainspring for Record 106 GC
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4487 | 1.60 mm | 9.0 mm | 0.10 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 163.
đź›’ 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.
đź”— According to the catalogue, the same mainspring (GR 4487) also fits
âť“ Frequently asked questions
Which mainspring fits the Record 106 GC?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.60 × 9.0 × 0.10 × 320 mm (GR 4487, 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 4487?
According to the catalogue also in FHF 25, FHF 25-3, FHF 251, FHF 252, Frenca 25 and 19 other calibers.
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