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Mainspring
For ETA 2521
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 |
|---|---|---|
| Blancpain 41 | 10.5 | |
| Bulova C3939 | BULOVA CASE REFERENCE | |
| Citizen 4-155921 | CITIZEN CASE | |
| Citizen 4-293568 | CITIZEN CASE | |
| Citizen 4-G08750 | CITIZEN CASE | |
| Citizen 4-Y69184 | CITIZEN CASE | |
| Omega 6837 | OMEGA CASE NO PARTS AVAILABLE | |
| Seiko V789-0240 | PULSAR CASE |
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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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