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Mainspring
For Seiko 8420-0050
1.40 x 0.090 x 300 x 8.5 mm
GR Reference #: GR3629
Height (H): 1.4mm
Thickness (T): 0.09mm
Total Length (TL): 300mm
Barrel Diameter (BD): 8.5mm
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 21-1176 | CITIZE CASE REFERENCE | |
| Citizen 37-9948 | CITIZE CASE REFERENCE | |
| Wittnauer 11NCG | CALENDAR-SHOCKPROOF | 11.5 |
| Citizen 4-227247 | CITIZEN CASE | |
| Citizen 4-399188 | CITIZEN CASE | |
| Citizen 4-E65665 | CITIZEN CASE | |
| Citizen 37-9948 | CITIZE CASE REFERENCE | |
| Citizen 4-S09796 | CITIZE CASE REFERENCE | |
| Citizen 4-Y60713 | CITIZEN CASE | |
| Citizen 74-9117 | CITIZE CASE REFERENCE | |
| Citizen 82-9633 | CITIZE CASE REFERENCE | |
| Citizen AY-0252 | CITIZE CASE REFERENCE | |
| International Durowe 1032 | DIRECT CENTER SECOND | 10.5 |
| Seiko 10A | 21 JL DIASHOCK | 5.5 x 7 |
| Seiko 1N00-0HX0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 2320-6050 | SEIKO CASE REFERENCE | |
| Unitas 6343N | 13 | |
| Wittnauer 11NCG | CALENDAR-SHOCKPROOF | 11.5 |
| Wittnauer WD3242 | WITTNA CASE REFERENCE |
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Similar Mainspring Listing
This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:
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