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Mainspring
For Seiko 7431-003M
1.45 x 0.105 x 280 x 9.0 mm
GR Reference #: GR3966
Height (H): 1.45mm
Thickness (T): 0.105mm
Total Length (TL): 280mm
Barrel Diameter (BD): 9mm
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 |
|---|---|---|
| Seiko 6640-7970 | SEIKO CASE REFERENCE | |
| Bettlach 8397 | DSS CAL DAY DATE PIN LEVER | 11.5 |
| Citizen 4-E67889 | CITIZEN CASE | |
| Croton W3W | WASA 65 | 5.75 x 12 |
| Seiko 6640-7970 | SEIKO CASE REFERENCE |
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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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