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Mainspring
For Seiko 7N42-6C50
1.70 x 0.110 x 260 x 8.0 mm
GR Reference #: GR4904
Height (H): 1.7mm
Thickness (T): 0.11mm
Total Length (TL): 260mm
Barrel Diameter (BD): 8mm
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 |
|---|---|---|
| Armitron 20/3388 | ARMITR CASE REFERENCE | |
| Bulova 975143 | ||
| Bulova B733 | BULOVA CASE REFERENCE | |
| Bulova C815009 | BULOVA CASE REFERENCE | |
| Bulova C860463 | ||
| Bulova C869142 | BUL CS REF. | |
| Citizen 34-3129 | CITIZE CASE REFERENCE | |
| Citizen 4-104153 | CITIZEN CASE | |
| Citizen 4-204611 | CITIZEN CASE | |
| Citizen 4-227832 | CITIZEN CASE | |
| Citizen 4-280474 | CITIZEN CASE | |
| Citizen 4-282213 | CITIZE CASE REFERENCE | |
| Citizen 4-365348 | CITIZEN CASE | |
| Citizen 4-400275 | CITIZEN CASE | |
| Citizen 4-E67561 | CITIZEN CASE | |
| Bulova B733 | BULOVA CASE REFERENCE | |
| Citizen 4-G08768 | CITIZEN CASE | |
| Citizen 4-S019249 | ||
| Seiko 5P30-621D | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-S25783 | CITIZEN CASE | |
| ETA 950.153 | 5.5 x 6.75 | |
| Citizen 4-S40332 | CITIZEN CASE | |
| Bulova C815009 | BULOVA CASE REFERENCE | |
| Citizen 44-5017 | CITIZE CASE REFERENCE | |
| Citizen 49-6707 | CITIZE CASE REFERENCE | |
| Citizen 71-4461 | CITIZE CASE REFERENCE | |
| Citizen 74-9435 | CITIZE CASE REFERENCE | |
| Citizen EB-5252 | CITIZE CASE REFERENCE | |
| Concord 92 | ||
| Croton T3BN | FF57 | 6.75 |
| Seiko 1600-0050 | SEIKO CASE REFERENCE | |
| ETA 620 | 7.75 | |
| ETA 880 | ||
| Citizen 4-365348 | CITIZEN CASE | |
| ETA 950.153 | 5.5 x 6.75 | |
| Girard Perregaux 130 | 11.5 | |
| Hamilton 932075 | HAMILT CASE REFERENCE | |
| Omega 2367 | OMEGA CALIBER CASE USES 281 | |
| Omega 2852-6 | OMEGA CASE | |
| Ricoh 520 | QUARTZ ANALOG DSS CALD DAY DTE W/COR | 7.75 x 6.75 |
| Seiko 1600-0050 | SEIKO CASE REFERENCE | |
| Citizen 4-280474 | CITIZEN CASE | |
| Seiko 1E20-0AF0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 1N01-0J20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2205-0640 | SEIKO CASE REFERENCE | |
| Seiko 2J31-0A00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2N20-0010 | SEIKO CASE REFERENCE | |
| Seiko 5625-8000 | SEIKO CASE REFERENCE | |
| Seiko 5M62-0D50 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5P30-621D | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y23-7089 | SEIKO CASE REFERENCE | |
| Seiko 7009-5390 | SEIKO CASE REFERENCE | |
| Seiko 7N07-0020 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7S36-0020 | SEIKO CASE 971201 | |
| Seiko 8122-5060 | SEIKO CASE REFERENCE | |
| Seiko 8123-7310 | SEIKO CASE REFERENCE | |
| Seiko V322-6A30 | PULSAR | |
| Seiko V329-5010 | SEIKO CASE REFERENCE | |
| Seiko V722-6100 | PULSAR CASE REFERENCE | |
| Seiko Y151-0AG0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y15W-5A60 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Wittnauer MA2248-5Q | WITTNA CASE REFERENCE |
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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 # |
|---|---|---|
| Oris 701 | 1.65 (1.70) x 0.095 (0.110) x 270 (260) x 8.0 mm | |
| Oris 702 | 1.65 (1.70) x 0.095 (0.110) x 270 (260) x 8.0 mm |
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