Mainspring for FHF 34-21

Height, diameter, thickness and length

1.30 × 6.5 × 0.085 × 220 mmheight × diameter × thickness × length

Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.

📏 Mainspring dimensions

GR no.	Height	Diameter	Thickness	Length	Type
3210-1	1.30 mm	6.5 mm	0.085 mm	220 mm	Hand-wound, special version (1)

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 81.

🛒 Matching mainspring in our shop

According to the catalogue, this mainspring has a special form (Hand-wound, special version (1)). We therefore do not show shop items automatically here – feel free to write to us. Contact form

🔧 Interchangeable spare parts

Which other spare parts of FHF 34-21 fit other calibers:

Interchangeability FHF 34-21

📄 Technical document

View the original document for FHF 34-21 online:

FHF 34-21 – Ø 17.20 mm

❓ Frequently asked questions

Which mainspring fits the FHF 34-21?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 6.5 × 0.085 × 220 mm (GR 3210-1, hand-wound, special version (1)).