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Mainspring
For Seiko 5S21-7A00
3.00 x 0.140 x 540 x 14.0 mm
GR Reference #: GR7137
Height (H): 3mm
Thickness (T): 0.14mm
Total Length (TL): 540mm
Barrel Diameter (BD): 14mm
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 |
|---|---|---|
| Citizen 4-S32941 | CITIZEN CASE REFERENCE | |
| Bettlach 8027 | ||
| Citizen 4-167775 | CITIZEN CASE | |
| Citizen 4-S32941 | CITIZEN CASE REFERENCE |
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