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Mainspring for Felsa 306
Height, diameter, thickness and length
1.60 Ă— 7.0 Ă— 0.08 Ă— 260 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.
đź“Ź Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4446 | 1.60 mm | 7.0 mm | 0.08 mm | 260 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 77.
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.
đź”— According to the catalogue, the same mainspring (GR 4446) also fits
- AS 970
- AS 980
- AS 987
- AS 999
- AS 1003
- AS 1014
- AS 1018
- AS 1036
- AS 1047
- AS 1056
- AS 1090
- AS 1126
- AS 1156
- AS 1157
- AS 1159
- AS 1210
- AS 1217
- AS 1251
- AS 1254
- AS 1276
- AS 1309
- AS 1354
- AS 1359
- AS 1375
- AS 1376
- AS 1386
- AS 1726
- AS 1727
- AS 1828
- Certina 19-30
- Cluses 301
- Derby 40
- Derby 40 N
- Derby 41
- Derby 7500
- Doxa 5 V/s - 56
- Durowe 48
- Durowe 61
- Elgin 747
- Elgin 794
- Elgin 887
- Felsa 64
- Felsa 292
- Felsa 296
- Felsa 298
- Felsa 299
- Felsa 301
- Felsa 305
- Felsa 312
- Felsa 318
- FHF 60-21
- Fleurier 6660/6662
- Fleurier 6664
- Girard-Perregaux 80-81
- Girard-Perregaux 87
- Gruen 202
- Helbros 62
- Helvetia 95
- Imaco 70
- INT.S 69-21
… and 22 more calibers