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Mainspring
For Seiko 3Y03-0B4A
1.30 x 0.075 x 275 x 7.0 mm
Height (H): 1.3mm
Thickness (T): 0.075mm
Total Length (TL): 275mm
Barrel Diameter (BD): 7mm
End Type: Auto
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Bulova C4000 | BULOVA CASE REFERENCE | |
| Bulova C4238 | BULOVA CASE REFERENCE | |
| Bulova C870010 | BULOVA CASE REFERENCE | |
| Bulova C870044 | CARAVE CASE REFERENCE | |
| Seiko A359-4000 | SEIKO CASE REFERENCE | |
| Citizen 07-3130 | CITIZE CASE REFERENCE | |
| Citizen 31-4501 | CITIZE CASE REFERENCE | |
| Omega 18749 | OMEGA CASE USES CALIBER 504 | |
| Citizen 4-154479 | CITIZEN CASE | |
| Citizen 4-158334 | CITIZEN CASE | |
| Waltham 681 | WALTHAM | |
| Citizen 4-670434 | CITIZEN CASE | |
| Citizen 4-671830 | CITIZEN CASE | |
| Citizen 4-C050367 | CITIZEN CASE | |
| Citizen 4-G30135 | CITIZE CASE REFERENCE | |
| Citizen 4-Y67530 | CITIZEN CASE | |
| Illinois 406 | ||
| JF 540 640 | 19 | |
| Omega 18749 | OMEGA CASE USES CALIBER 504 | |
| Omega 368.1623 | TITANIUM OMEGA CASE REFERENCE | |
| Pulsar 2B31 | ||
| Rolex 2834-1 | ||
| Seiko 1100-0940 | SEIKO CASE REFERENCE | |
| Seiko 4J81-5A00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6139-7100 | SEIKO CASE REFERENCE | |
| Seiko 7750-5459 | SEIKO CASE REFERENCE | |
| Seiko A359-4000 | SEIKO CASE REFERENCE | |
| Seiko V321-6010 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V532-7B00 | SEIKO CASE 951201 | |
| Waltham 681 | WALTHAM |
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Similar Mainspring Listing
This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:
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