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Mainspring
For Seiko 1F20-6G70
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 4-106300 | CITIZEN CASE | |
| Citizen 4-390016 | CITIZEN CASE | |
| Omega 5302 | OMEGA CASE USES CALIBER 484 | |
| Standard 173A | USE STANDARD 173 | 12.5 |
| Wittnauer 7Q | 0717 (ETA 950.001) |
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