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Mainspring
For Seiko 7903-0030
1.45 x 0.130 x 380 x 11.5 mm
GR Reference #: GR4011
Height (H): 1.45mm
Thickness (T): 0.13mm
Total Length (TL): 380mm
Barrel Diameter (BD): 11.5mm
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 |
|---|---|---|
| Bulova L105 | BULOVA 6CN | |
| Bulova L105 | BULOVA 6CN | |
| Citizen 4-104480 | CITIZEN CASE | |
| Citizen 4-948530 | CITIZE CASE REFERENCE | |
| Citizen 4-108833 | CITIZE CASE REFERENCE | |
| Citizen 4-948530 | CITIZE CASE REFERENCE | |
| Geneva Sport Watch 23.7 | CHRONOGRAPH | 10.5 |
| Seiko 2320-5830 | SEIKO CASE REFERENCE | |
| Seiko 4219-0040 | SEIKO CASE REFERENCE | |
| Seiko 7526-0040 | ||
| Seiko Y643-0250 | PULSAR 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 # |
|---|---|---|
| Recta G10 | 1.45 x 0.120 (0.130) x 320 (380) x 10.5 (11.5) mm | |
| Recta G6 | 1.45 x 0.120 (0.130) x 320 (380) x 10.5 (11.5) mm |
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