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Mainspring
For Seiko 7439-7001
2.70 x 0.210 x 520 x 16.5 mm
GR Reference #: GR6896TB
Height (H): 2.7mm
Thickness (T): 0.21mm
Total Length (TL): 520mm
Barrel Diameter (BD): 16.5mm
End Type: TB
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 36-3189 | CITIZE CASE REFERENCE | |
| Wittnauer SX-2320 | WITTNA CASE REFERENCE | |
| Citizen 4-F60943 | CITIZEN CASE | |
| Citizen EA6112 | CITIZE CASE REFERENCE | |
| Seiko 5Y31-5070 | SEIKO CASE REFERENCE | |
| Wittnauer SX-2320 | WITTNA CASE REFERENCE |
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