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Mainspring
For Hermann Becker 412
1.70 x 0.090 x 320 x 9.0 mm
Height (H): 1.7mm
Thickness (T): 0.09mm
Total Length (TL): 320mm
Barrel Diameter (BD): 9mm
End Type: Auto
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Eterna 12821B | 28,800 BPH W/O SEC AUTO | 11.5 |
| Citizen 4-L01455 | CITIZEN CASE | |
| Eterna 12821B | 28,800 BPH W/O SEC AUTO | 11.5 |
| Longines 5972 | ||
| Seiko 1400-8330 | SEIKO CASE REFERENCE | |
| Seiko 5P30-5070 | SEIKO CASE REFERENCE | |
| Seiko V811-2700 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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Similar Mainspring Listing
This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:
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