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Mainspring
For Seiko 7770-5270
1.40 x 0.100 x 340 x 9.5 mm
GR Reference #: GR3666
Height (H): 1.4mm
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 |
|---|---|---|
| A Michel 397 | 12 | |
| Bulova C867031 | BULOVA CASE REFERENCE | |
| Bulova C899016 | ||
| Citizen 4-038207 | CITIZEN CASE | |
| Citizen 4-103769 | CITIZEN CASE | |
| Citizen 4-311728 | CITIZEN CASE | |
| Citizen 4-530136 | CITIZEN CASE | |
| Citizen AA-6005 | CITIZE CASE REFERENCE | |
| Citizen 4-949200 | CITIZE CASE REFERENCE | |
| Seiko V701-5140 | SEIKO CASE 951201 | |
| Citizen 4-G05998 | CITIZEN CASE | |
| Citizen 4-Y64301 | CITIZEN CASE | |
| Citizen 4-H09459 | CITIZEN CASE | |
| Citizen 4-S34243 | CITIZEN CASE | |
| Citizen 4-S98985 | ||
| Citizen 4-Y57607 | CITIZEN CASE | |
| Bulova C899016 | ||
| Citizen 4-Y64301 | CITIZEN CASE | |
| Citizen 41-9581 | CITIZE CASE REFERENCE | |
| Citizen AA-6005 | CITIZE CASE REFERENCE | |
| A Michel 397 | 12 | |
| Hermann Becker 120 MSC | DSS CAL | 11.5 |
| Citizen 4-530136 | CITIZEN CASE | |
| Lemania 1277 | CHRONOGRAPH | 12 |
| Seiko V701-1T20 | SEIKO CASE | |
| Omega 136.0018 | OMEGA CASE USES CALIBER 611/613 | |
| Omega 7901 | OMEGA CASE USES CALIBER 480 | |
| Seiko 1100-1469 | SEIKO CASE REFERENCE | |
| Seiko 9020-6000 | SEIKO CASE REFERENCE | |
| Seiko 1400-1060 | SEIKO CASE REFERENCE | |
| Omega 136.0018 | OMEGA CASE USES CALIBER 611/613 | |
| Seiko 1F20-0100 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 1F20-5B10 | SEIKO CASE REFERENCE | |
| Seiko 2B31-5030 | SEIKO CASE REFERENCE | |
| Seiko 5J22-0D20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5Y91-6110 | SEIKO CASE 08/12/98 | |
| Seiko 7321-5380 | SEIKO CASE REFERENCE | |
| Seiko 7T11-0AK0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 9020-6000 | SEIKO CASE REFERENCE | |
| Seiko SP12-01 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V701-1T20 | SEIKO CASE | |
| Seiko V701-5140 | SEIKO CASE 951201 | |
| Seiko Y15W-5A70 | ||
| Timex 5021002378 | TIMEX CASE REFERENCE | |
| Tissot 781/1 | 18,000 DSS 17 JL | 11.5 |
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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 # |
|---|---|---|
| Universal Geneve 282 | 1.30 (1.40) x 0.130 (0.100) x 360 (340) x 11.0 (9.5) mm | GR3340 |
| Universal Geneve 381 | 1.30 (1.40) x 0.130 (0.100) x 360 (340) x 11.0 (9.5) mm | GR3340 |
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