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Mainspring
For Junghans 647.70
2.90 x 0.220 x 540 x 17.0 mm
GR Reference #: GR7121T
Height (H): 2.9mm
Thickness (T): 0.22mm
Total Length (TL): 540mm
Barrel Diameter (BD): 17mm
End Type: T
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 |
|---|---|---|
| A. Schild 649 | 12 | |
| Omega 498.0886 | OMEGA CASE USES CALIBER 1431 | |
| Omega 498.0886 | OMEGA CASE USES CALIBER 1431 | |
| Seiko 5930-5060 | SEIKO | |
| Seiko 7321-615A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5930-5060 | SEIKO | |
| Seiko 8F56-00C0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V400-LA50 |
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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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