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Mainspring
For Seiko 66A
1.35 x 0.140 x 360 x 12.0 mm
Height (H): 1.35mm
Thickness (T): 0.14mm
Total Length (TL): 360mm
Barrel Diameter (BD): 12mm
End Type: Manual
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 |
|---|---|---|
| Citizen 4-402120 | CITIZEN CASE | |
| Seiko V501-0CP0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Citizen 4-085906 | CITIZEN CASE | |
| Bulova C977053M | BULOVA CASE REFERENCE | |
| Citizen 36-0155 | CITIZE CASE REFERENCE | |
| Citizen 4-085906 | CITIZEN CASE | |
| Citizen 4-402120 | CITIZEN CASE | |
| Citizen 4-330650 | CITIZEN CASE | |
| Citizen 4-402120 | CITIZEN CASE | |
| Citizen 4-G14270 | CITIZEN CASE | |
| Seiko 8223-6049 | SEIKO CASE REFERENCE | |
| Citizen 4-H07162 | CITIZEN CASE | |
| Tissot C910 | TISSOT CASE | |
| Citizen 4-K04603 | CITIZEN CASE | |
| Citizen 4-S26437 | CITIZE CASE REFERENCE | |
| Citizen AE-5134 | CITIZE CASE REFERENCE | |
| Bulova C977053M | BULOVA CASE REFERENCE | |
| Elgin 8536 | ||
| ETA 2772 | 21,600 BPH-DSS-AUTO-CALD-ADJ. STUD HOLDER | 11.5 |
| Fontainemelon 412 | 28,800 BPH DSS AUTO CALD (DAY/DATE) W/CORR ADJ STUD HOLDER | 11.5 |
| Seiko 6430-5090 | SEIKO CASE REFERENCE | |
| Girard Perregaux 14 (NEW) | 11.5 | |
| Girard Perregaux 40.0 | 21600 BPH DSS | 11.5 |
| Langendorf 1725 | 17.25 | |
| Omega 14713 | OMEGA CASE - USES CALIBER 268 | |
| Omega 16252 | OMEGA CASE - USES CALIBER 690 | |
| Omega 1746 | OMEGA CASE USES CALIBER 1035 | |
| Omega 18442 | OMEGA CASE USES CALIBER 440 | |
| Omega 511.179 | OMEGA CASE USES CALIBER 484 | |
| Omega 6041 | OMEGA CASE USES CALIBER 321 | |
| Citizen AE-5134 | CITIZE CASE REFERENCE | |
| Seiko 1N00-6S20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5A70-5060 | SEIKO CASE REFERENCE | |
| Seiko 2205-0550 | SEIKO CASE REFERENCE | |
| Seiko 2620-0160 | SEIKO CASE REFERENCE | |
| Seiko 2628-0020 | SEIKO CASE REFERENCE | |
| Seiko 2G38-0040 | SEIKO CASE REFERENCE | |
| Seiko 5A70-5060 | SEIKO CASE REFERENCE | |
| Seiko 6430-5090 | SEIKO CASE REFERENCE | |
| Seiko 8223-6049 | SEIKO CASE REFERENCE | |
| Seiko V501-0CP0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko V671-6170 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-G14270 | CITIZEN CASE | |
| Seiko Y142-5020 | LORUS CASE REFERENCE | |
| Tissot C910 | TISSOT CASE | |
| Unitas 359 | POSITIVE AND NEGATIVE WINDING-LEFT SETTING | 18.5 |
| Seiko 6430-5090 | SEIKO CASE REFERENCE | |
| Valjoux 32F | TIMER | 19 |
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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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