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Mainspring
For Seiko 4N20-5110
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 |
|---|---|---|
| Seiko 7T32-7C69 | SEIKO | |
| Bulova C7492 | BULOVA CASE REFERENCE | |
| Seiko V501-6C30 | SEIKO CASE 08/12/98 | |
| Citizen 4-160193 | CITIZEN CASE | |
| Citizen 4-352491 | CITIZEN CASE | |
| Citizen 4-202805 | CITIZE CASE REFERENCE | |
| Citizen 4-352491 | CITIZEN CASE | |
| Citizen 4-F52321 | CITIZEN CASE | |
| Citizen 4-L05361 | CITIZEN CASE | |
| Citizen 4-Q00176 | CITIZEN CASE REFERENCE | |
| Citizen 4-S03071 | CITIZEN CASE. | |
| Citizen QX-4082 | CITIZE CASE REFERENCE | |
| Omega 146.0017 | OMEGA CASE REFERENCE | |
| Peseux 7040 | 21600 BPH SMALL SECOND | 10.5 |
| Seiko 1230-0010 | SEIKO CASE REFERENCE | |
| Seiko 1M20-5A20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2F50-5739 | SEIKO CASE REFERENCE | |
| Seiko 2J80-0020 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 3M22-0D39 | SEIKO CASE | |
| Seiko 5Y23-8179 | SEIKO CASE REFERENCE | |
| Seiko 6119-6410 | SEIKO CASE REFERENCE | |
| Seiko 7123-8270 | SEIKO CASE REFERENCE | |
| Seiko 7321-5390 | SEIKO CASE REFERENCE | |
| Seiko 7546-8379 | SEIKO CASE REFERENCE | |
| Seiko 7N39-7029 | SEIKO CASE 951201 | |
| Seiko 7S26-03B0 | ||
| Seiko 7T32-7C69 | SEIKO | |
| Seiko V235-0190 | LORUS CASE REFERENCE | |
| Seiko V247-0540 | ||
| Seiko V501-6C30 | SEIKO CASE 08/12/98 |
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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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