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Mainspring
For Seiko 7N42-8A49
2.50 x 0.200 x 500 x 17.0 mm
GR Reference #: GR6703
Height (H): 2.5mm
Thickness (T): 0.2mm
Total Length (TL): 500mm
Barrel Diameter (BD): 17mm
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 |
|---|---|---|
| Bulova 3414 | ACCUTRON CASE REFERENCE | |
| Bulova 3414 | ACCUTRON CASE REFERENCE | |
| Bulova K59 | BULOVA 5BD | |
| Elgin FMH12-017 | ||
| Junghans 684.80 | 11.5 | |
| Seiko 1221-5700 | SEIKO CASE REFERENCE | |
| Seiko 1N00-6C80 | SEIKO CASE | |
| Seiko 2P21-0A50 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4N20-5082 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5A74-0170 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4N20-5082 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y13-5000 | SEIKO CASE REFERENCE | |
| Seiko V851-6420 | SEIKO CASE 971201 |
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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:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Sonceboz 170 | 2.40 (2.50) x 0.210 (0.200) x 490 (500) x 17.0 mm |
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