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Mainspring
For Hamilton 64A
1.70 x 0.090 x 320 x 9.0 mm
Height (H): 1.7mm
Thickness (T): 0.09mm
Total Length (TL): 320mm
Barrel Diameter (BD): 9mm
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 |
|---|---|---|
| A Michel 420-428 | 10.5 | |
| Citizen 4-092082 | CITIZE CASE REFERENCE | |
| Omega 2306 | OMEGA CASE USES CALIBER 300/310 | |
| Seiko 7S26-02E0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko V810-5370 | SEIKO CASE REFERENCE | |
| Seiko Y480-6580 | PULSAR CASE REFERENCE | |
| A Michel 420-428 | 10.5 |
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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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