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Cortebert – mainsprings for all calibers
135 calibers with mainspring dimensions
Choose the caliber of your Cortebert 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
Cortebert 0–99
Cortebert 100–199
Cortebert 200–299
Cortebert 300–399
Cortebert 400–499
- 401
- 403
- 404
- 406
- 408
- 409
- 411
- 412
- 413
- 416
- 417
- 420
- 425 II
- 429
- 443
- 446 Aut
- 449
- 451 Aut
- 473
- 474
- 474 I
- 474 II
- 476. 477. 479
- 484
- 486
- 487
- 488
- 489
- 490
- 492
- 495
- 499
Cortebert 500–599
- 506
- 514
- 515
- 516
- 517
- 518
- 519
- 522
- 523
- 524
- 525
- 526
- 526 A
- 527
- 528
- 529
- 530
- 532
- 533 Ă 535
- 536
- 536 E
- 536 W - 536 T/W
- 537
- 540
- 541
- 542
- 548
- 571
- 573
- 575. 577
- 581
- 583
- 590
- 590 chrono
- 591
- 592
- 593
- 599
Cortebert 600–699
- 601
- 603
- 605
- 609
- 616
- 617
- 620 Ă 622
- 624
- 625
- 629
- 632
- 633
- 634
- 635
- 638
- 640
- 644
- 650
- 652
- 653
- 654
- 655
- 657
- 658
- 661
- 663
- 665
- 665 be
- 665 h.b
- 667
- 671
- 673
- 677. 677 C
- 678
- 679
- 681
- 686
- 687
- 688
- 689
- 693
- 694
- 696 Ă 698
Cortebert 700–799
Cortebert 900–999
Cortebert 1000–1099
Cortebert 1900–1999