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Mainspring
For Seiko 2C21-0290
1.70 x 0.175 x 540 x 16.0 mm
Height (H): 1.7mm
Thickness (T): 0.175mm
Total Length (TL): 540mm
Barrel Diameter (BD): 16mm
End Type: MB
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:
| GR Reference # | Mainspring | Buy |
|---|---|---|
| GR5072MB | 1.70 x 0.180 (0.175) x 540 x 16.0 mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-152921 | CITIZEN CASE | |
| Citizen 4-152921 | CITIZEN CASE | |
| Citizen 4-224043 | CITIZEN CASE | |
| Citizen 4-327462 | CITIZEN CASE | |
| Citizen 4-890817 | CITIZE CASE REFERENCE | |
| Citizen 4-893476 | CITIZE CASE REFERENCE | |
| Citizen 4-946693 | CITIZEN CASE | |
| Citizen 4-G03600 | CITIZEN CASE | |
| Citizen 4-G05131 | CITIZEN CASE | |
| Citizen 4-S44630 | CITIZEN CASE | |
| Citizen 4-S44630 | CITIZEN CASE | |
| Citizen 88-8621 | CITIZE CASE REFERENCE | |
| Roamer 1105 | DIRECT CENTER SECOND | 11.5 |
| Citizen 88-8621 | CITIZE CASE REFERENCE |
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