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Mainspring
For Seiko 6309-603A
2.10 x 0.150 x 400 x 12.5 mm
GR Reference #: GR6021TR
Height (H): 2.1mm
Thickness (T): 0.15mm
Total Length (TL): 400mm
Barrel Diameter (BD): 12.5mm
End Type: TR
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 4-328132 | CITIZEN CASE | |
| Croton E3WE | AUTO DSS | 11.5 |
| Hamilton 618 | SHOCK ADJ STUD HOLDER | 7.75 |
| Omega 311.010 | OMEGA CASE USES CALIBER | |
| Seiko 1221-5800 | SEIKO CASE REFERENCE | |
| Seiko 3Y09-0A50 | 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 # |
|---|---|---|
| Mainspring WATCH | 2.10 x 0.135 (0.150) x 380 (400) x 11.0 (12.5) mm | GR6002TR |
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