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Mainspring
For Seiko 1F20-5A30
1.40 x 0.215 x 460 x 17.5 mm
GR Reference #: GR3896
Height (H): 1.4mm
Thickness (T): 0.215mm
Total Length (TL): 460mm
Barrel Diameter (BD): 17.5mm
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 |
|---|---|---|
| Citizen 33-6661 | CITIZE CASE REFERENCE | |
| Seiko V400-5290 | PULSAR CASE REFERENCE | |
| Citizen 39-3339 | CITIZE CASE REFERENCE | |
| Citizen 4-212771 | CITIZEN CASE | |
| Citizen 4-212771 | CITIZEN CASE | |
| International Durowe 610 | 18,000 BPH AUTO CAL SW. SEC | 11.5 |
| Seiko V400-5290 | PULSAR CASE REFERENCE | |
| Seiko V532-7A10 | 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 # |
|---|---|---|
| General 30 | 1.35 (1.40) x 0.210 (0.215) x 440 (460) x 16.0 (17.5) mm |
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