Mainspring for Helbros 37
Height, diameter, thickness and length
1.30 Ă— 9.5 Ă— 0.11 Ă— 320 mmheight Ă— diameter Ă— thickness Ă— 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 |
|---|---|---|---|---|---|
| 3284 | 1.30 mm | 9.5 mm | 0.11 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 102.
đź›’ Matching mainspring in our shop
We do not currently have a mainspring with exactly these dimensions in our shop. Feel free to write to us – we can often still find a suitable spring. Contact form · All mainsprings in our shop
đź”— According to the catalogue, the same mainspring (GR 3284) also fits
- AS 635
- AS 684
- AS 1530
- Alpina 490
- Concord 249 W
- Doxa 104
- Durowe F
- Election 665
- Eterna 18
- Eterna 710
- Favor-Tschudin 19. 25
- Favor-Tschudin 25/19
- Favor-Tschudin 240
- Favor-Tschudin 250
- Femga 150
- Helbros 41
- Helbros 69
- Omega 381
- Rolex 7 3/4/11-144
- Silvana 7775
- Silvana 7785
- Tissot 26.9-21
- Universal 289
- West End 744 73/4 x 11"
- Winton 88-8