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Mainspring
For Howard 12
1.05 x 0.080 x 220 x 7.0 mm
Height (H): 1.05mm
Thickness (T): 0.08mm
Total Length (TL): 220mm
Barrel Diameter (BD): 7mm
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 |
|---|---|---|
| Citizen 4-Y63461 | CITIZEN CASE | |
| Eterna 1501 | 21,600-DSS-CAL-DAY-DATE-AUTO | 13 |
| Omega 7790 | OMEGA CASE USES CALIBER 480 | |
| Seiko 2C20-5509 | SEIKO CASE REFERENCE | |
| Seiko 7813-5039 | SEIKO 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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