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Mainspring
1.45 x 0.100 x 250 x 8.5 mm
Height (H): 1.45mm
Thickness (T): 0.1mm
Total Length (TL): 250mm
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.
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:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Seiko 8420-5400 | SEIKO CASE REFERENCE | |
| Bulova C4058 | BULOVA CASE REFERENCE | |
| Citizen 30-3453 | CITIZE CASE REFERENCE | |
| Citizen 4-370244 | CITIZEN CASE | |
| Seiko 1100-1000 | SEIKO CASE REFERENCE | |
| Citizen 4-610636 | CITIZEN CASE | |
| Citizen 4-894553 | CITIZEN CASE | |
| Citizen 4-Y56163 | CITIZEN CASE | |
| Rolex 6626-9 | ROLEX CASE REFERENCE | |
| Seiko 1100-1000 | SEIKO CASE REFERENCE | |
| Seiko 2C20-5910 | SEIKO CASE REFERENCE | |
| Seiko 5P30-621C | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 8420-5400 | SEIKO CASE REFERENCE | |
| Seiko 8420-7740 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko W921-400A |
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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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