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Mainspring
For Seiko W620-4490
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 |
|---|---|---|
| Armitron 2200/157 | ARMITRON CASE REFERENCE | |
| Ebel FONT 59/21 | FONT 59/21 | 31 |
| Seiko 7009-5030 | SEIKO CASE REFERENCE | |
| ISA 1198/12 | QUARTZ ANALOG DSS | 11.5 |
| Seiko 1000-0740 | SEIKO CASE REFERENCE | |
| Seiko 7009-5030 | SEIKO CASE REFERENCE |
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