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Mainspring
For Seiko 4N20-0320
1.60 x 0.150 x 420 x 12.5 mm
GR Reference #: GR4611
Height (H): 1.6mm
Thickness (T): 0.15mm
Total Length (TL): 420mm
Barrel Diameter (BD): 12.5mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| A Michel 523 | 16.25 | |
| Buren 1006 | AUTO CAL S. S. | 12.5 |
| Citizen 4-954602 | CITIZEN CASE | |
| Buren 1006 | AUTO CAL S. S. | 12.5 |
| Citizen 4-G07729 | CITIZEN CASE | |
| Omega 16914 | OMEGA USES CALIBER 481 | |
| Omega 196.0234 | OMEGA CASE | |
| Seiko 6106-8660 | SEIKO CASE REFERENCE | |
| Seiko 6349-5240 | SEIKO CASE REFERENCE | |
| Seiko Y480-6750 | PULSAR CASE REFERENCE | |
| Winton 121-17 | AURORE 423 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
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