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Mainspring
For Seiko 7121-703B
1.60 x 0.100 x 340 x 9.5 mm
GR Reference #: GR4488
Height (H): 1.6mm
Thickness (T): 0.1mm
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 |
|---|---|---|
| Bulova C875356 | ||
| Seiko V701-6550 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 37-4946 | CITIZE CASE REFERENCE | |
| Seiko 1600-5650 | SEIKO CASE REFERENCE | |
| Citizen 38-2001 | CITIZE CASE REFERENCE | |
| Citizen 4-S00527 | CITIZEN CASE. | |
| Citizen 4-168925 | CITIZEN CASE | |
| Citizen 46-0575 | CITIZE CASE REFERENCE | |
| Citizen 4-284721 | CITIZEN CASE | |
| Citizen 4-327004 | CITIZEN CASE | |
| Citizen 46-0575 | CITIZE CASE REFERENCE | |
| Citizen 4-675789 | CITIZE CASE REFERENCE | |
| Citizen 4-S00527 | CITIZEN CASE. | |
| Citizen 4-680928 | CITIZEN CASE | |
| Citizen 4-G13443 | CITIZEN CASE | |
| Citizen 4-S00527 | CITIZEN CASE. | |
| Citizen 4-Y56651 | CITIZE CASE REFERENCE | |
| Citizen 46-0575 | CITIZE CASE REFERENCE | |
| Citizen 82-8521 | CITIZE CASE REFERENCE | |
| Citizen SZ1252 | CITIZE CASE REFERENCE | |
| Doxa 76 | ||
| Omega 2128 | OMEGA CASE USES CALIBER 100 | |
| Omega 365.002 | OMEGA CASE USES CALIBER 671 | |
| Omega 368.0807 | OMEGA CASE USES CALIBER | |
| Rolex 1080 | AUTOMATIC, ANTI-MAGNETIC | 12.5 |
| Seiko 1600-5650 | SEIKO CASE REFERENCE | |
| Seiko 7546-8180 | SEIKO CASE REFERENCE | |
| Seiko 7N29-5B40 | SEIKO CASE 951201 | |
| Seiko S025-6000 | SEIKO CASE REFERENCE | |
| Seiko V338-6070 | SEIKO CASE REFERENCE | |
| Seiko V400-L178A | ||
| Seiko V701-6550 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y100-5899 | PULSAR CASE REFERENCE | |
| Seiko Y147-8000 | PULSAR 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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