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Mainspring
For Seiko 7N42-7B70
3.00 x 0.155 x 680 x 16.5 mm
GR Reference #: GR7157MB
Height (H): 3mm
Thickness (T): 0.155mm
Total Length (TL): 680mm
Barrel Diameter (BD): 16.5mm
End Type: MB
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 |
|---|---|---|
| Citizen 4-264347 | CITIZE CASE REFERENCE | |
| Bulova C875357 | BULOVA CASE REF | |
| Certina 28-353 | DSS ELEC BIORTHYM | 12.5 |
| Citizen 4-264347 | CITIZE CASE REFERENCE | |
| Citizen 4-820185 | CITIZE CASE REFERENCE | |
| Fontainemelon 8454 | 6.5 |
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