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Mainspring
For Seiko 8A21A
1.00 x 0.105 x 340 x 9.5 mm
GR Reference #: GR2451
Height (H): 1mm
Thickness (T): 0.105mm
Total Length (TL): 340mm
Barrel Diameter (BD): 9.5mm
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 |
|---|---|---|
| Belmont 1017C | DSS CAL | 10.5 |
| Bettlach 8801 | PL DSS | 12 |
| Caravelle 6381.17 | BASIC MIYOTA CALIBER 6L32 | |
| Citizen 4-155343 | CITIZEN CASE | |
| Citizen 4-156200 | CITIZE CASE REFERENCE | |
| Citizen 4-400755 | CITIZEN CASE | |
| Citizen 4-660285 | CITIZEN CASE | |
| Citizen 4-156200 | CITIZE CASE REFERENCE | |
| Citizen 4-K01337 | CITIZEN CASE | |
| Citizen 86-2118 | CITIZE CASE REFERENCE | |
| Citizen 4-R07639 | CITIZEN CASE | |
| Citizen 86-2118 | CITIZE CASE REFERENCE | |
| Seiko 1719-3050 | SEIKO CASE REFERENCE | |
| Citizen 4-K01337 | CITIZEN CASE | |
| Seiko 1E20-0A10 | SEIKO CASE REFERENCE | |
| Seiko 2320-6880 | SEIKO CASE REFERENCE | |
| Seiko 7N29-8A09 | SEIKO CASE | |
| Seiko 2906-5270 | SEIKO CASE REFERENCE | |
| Caravelle 6381.17 | BASIC MIYOTA CALIBER 6L32 | |
| Seiko 2E20-5540 | SEIKO CASE REFERENCE | |
| Seiko 5A74-3C40 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y23-5A70 | ||
| Seiko 7800-8019 | SEIKO CASE REFERENCE | |
| Seiko 7N29-8A09 | SEIKO CASE | |
| Seiko Y151-5D90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y520-0B90 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y799-4B50 | SEIKO CASE 971129 | |
| Wittnauer W102 | ||
| Zentra 55 | 18.25 | |
| Wittnauer W102 | ||
| Seiko 5Y23-5A70 | ||
| Seiko 1719-3050 | SEIKO CASE REFERENCE |
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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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