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Mainspring
For Seiko 5645A
1.35 x 0.070 x 220 x 6.5 mm
Height (H): 1.35mm
Thickness (T): 0.07mm
Total Length (TL): 220mm
Barrel Diameter (BD): 6.5mm
End Type: Auto
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 7F22-5020 | SEIKO CASE REFERENCE | |
| Elgin 428 | AMERICAN | |
| Jaeger Lecoultre 478 | MECH | 12.75 |
| Peseux 213 | 8.75 | |
| Sears 5005C | 7JL 21600 BPH DSS AUTO CAL W/CORRECTOR | 11.5 |
| Seiko 3F31-0B80 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7A38-704C | SEIKO CASE REFERENCE | |
| Seiko 7F22-5020 | SEIKO CASE REFERENCE | |
| Seiko W851-4070 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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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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