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Mainspring
For Seiko 5Y30-7B20
1.40 x 0.180 x 480 x 15.0 mm
GR Reference #: GR3847
Height (H): 1.4mm
Thickness (T): 0.18mm
Total Length (TL): 480mm
Barrel Diameter (BD): 15mm
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 8BA | 8 x 9 | |
| Certina 321 | 12 | |
| Citizen 4-079108 | CITIZEN CASE | |
| Seiko 1N00-1C83 | SEIKO CASE 951201 | |
| Citizen 4-511077 | CITIZEN CASE | |
| Eterna 1470K | 12.5 | |
| Seiko 1N00-1C83 | SEIKO CASE 951201 | |
| Seiko 4205-0155 | SEIKO MECHANICAL | |
| Seiko 4206-038J | SEIKO CASE REFERENCE | |
| Seiko 4219-508A | SEIKO CASE REFERENCE | |
| Seiko 4N00-7049 | SEIKO CASE 971201 | |
| Seiko 5P30-6150 | ||
| Seiko 5A50-524H | SEIKO CASE 08/12/98 | |
| Seiko 4206-038J | SEIKO CASE REFERENCE | |
| Seiko 5P30-6150 | ||
| Eterna 1470K | 12.5 | |
| Seiko 5P30-6210 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V671-6000 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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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 (0.180) x 440 (480) x 16.0 (15.0) mm |
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