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Mainspring
For Seiko 4N20-0320
1.60 x 0.170 x 520 x 15.0 mm
GR Reference #: GR4655
Height (H): 1.6mm
Thickness (T): 0.17mm
Total Length (TL): 520mm
Barrel Diameter (BD): 15mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Omega 7056 | OMEGA CASE USES CALIBER 480 | |
| Bulova C833951 | CARAVE CASE REFERENCE | |
| Omega 7056 | OMEGA CASE USES CALIBER 480 | |
| Omega 7613 | OMEGA CASE USES CALIBER 212 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
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