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Certina (KFG) – mainsprings for all calibers
163 calibers with mainspring dimensions
Choose the caliber of your Certina movement. The caliber page shows the mainspring dimensions and – if in stock – the matching mainspring from our shop.
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.
⚙️ All calibers
Certina 0–99
- 3 3/4 cyl
- 3 3/4" ancre
- 5 /4""
- 8 - 041
- 11
- 11 1/2 384 Aut
- 12/10 - 12/11
- 13/10 - 13/11
- 13/20 nouveau
- 15 - 10
- 15 - 14
- 15-02 13
- 15-021
- 15-022
- 17 - 10
- 17-11
- 17-12
- 17-25
- 19-10
- 19-12
- 19-14
- 19-25
- 19-26
- 19-30
- 19-35
- 19-45 Aut
- 19-251
- 19-451 Aut
- 21-011 Aut
- 21-0114 Aut
- 23-10
- 23-14
- 23-35
- 23-36
- 23.20-10 1/2"
- 24
- 25-011 Aut
- 25-14
- 25-35
- 25-36
- 25-45
- 25-55
- 25-65 Aut
- 25-66/661
- 25-072
- 25-451 Aut
- 25-551 Aut
- 25-661 Aut
- 25-721
- 25-0721 Aut
- 25-723
- 25-0723 Aut
- 25.651
- 27
- 27-031
- 27-032
- 27-0313
- 27-0322
- 28-10
- 28-15
- 28-16
- 28-45 Aut
- 28-55 Aut
- 28-151
- 28-161
- 28-451 Aut
- 28-551 Aut
- 29.051
- 29.052
- 31.061
- 35-021
- 45
- 70
- 71
- 73
- 73 A
- 74,74 A
- 75
- 78
- 83
- 87
- 88
- 89
Certina 100–199
Certina 200–299
Certina 300–399
- 300
- 300-10
- 301
- 304
- 310
- 311
- 311 B
- 314
- 320
- 320 B
- 320 T
- 321
- 321 T
- 324
- 324 T
- 324B
- 330
- 330-2
- 331
- 331 B
- 332 B
- 340
- 340 B
- 340 T
- 341
- 341 B
- 344
- 344 B
- 350
- 350-1
- 351
- 360 Aut
- 370
Certina 400–499