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Mainspring
For Seiko 7439-5020
1.20 x 0.105 x 380 x 10.0 mm
GR Reference #: GR2939X
Height (H): 1.2mm
Thickness (T): 0.105mm
Total Length (TL): 380mm
Barrel Diameter (BD): 10mm
End Type: Auto
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 |
|---|---|---|
| Citizen 4-261488 | CITIZE CASE REFERENCE | |
| Junghans 620.03 | DSS CALD | 11.5 |
| Citizen 4-L03130 | CITIZEN CASE | |
| Cortebert 276 | ||
| Seiko A827-6027 | SEIKO CASE REFERENCE | |
| Junghans 620.03 | DSS CALD | 11.5 |
| Omega 511.160 | OMEGA CASE REFERENCE | |
| Seiko 1N00-6G70 | SEIKO CASE 971129 | |
| Seiko A827-6027 | SEIKO CASE REFERENCE |
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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 # |
|---|---|---|
| Jaeger Lecoultre 815 | 1.15 (1.20) x 0.110 (0.105) x 375 (380) x 11.0 (10.0) mm | |
| Jaeger Lecoultre 825 | 1.15 (1.20) x 0.110 (0.105) x 375 (380) x 11.0 (10.0) mm |
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