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Mainspring
For Seiko W307-4A00
1.00 x 0.150 x 400 x 12.5 mm
GR Reference #: GR2490
Height (H): 1mm
Thickness (T): 0.15mm
Total Length (TL): 400mm
Barrel Diameter (BD): 12.5mm
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 |
|---|---|---|
| Seiko 4206-5160 | 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 # |
|---|---|---|
| Gruen 390 | 0.90 (1.00) x 0.160 (0.150) x 380 (400) x 13.0 (12.5) mm | GR2344 |
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