Mainspring for Unitas 174-1 SC
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4227 | 1.50 mm | 11.5 mm | 0.14 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 183.
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 4227) also fits
âť“ Frequently asked questions
Which mainspring fits the Unitas 174-1 SC?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 11.5 × 0.14 × 320 mm (GR 4227, 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 4227?
According to the catalogue also in Lanco 1305, Lanco 1336, Lanco 1337, Lanco 1356, Omega 260 and 6 other calibers.
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