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Mainspring
For Seiko 7G21A
1.40 x 0.080 x 240 x 7.0 mm
GR Reference #: GR3607
Height (H): 1.4mm
Thickness (T): 0.08mm
Total Length (TL): 240mm
Barrel Diameter (BD): 7mm
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 |
|---|---|---|
| Citizen 4-810201 | CITIZEN CASE | |
| Bulova C157 | BULOVA 7BUC | |
| Bulova C871021 | BULOVA CASE REFERENCE | |
| Citizen 4-180160 | CITIZEN CASE | |
| Citizen 4-263855 | CITIZEN CASE | |
| Elgin 554 | ||
| Citizen 4-350120 | CITIZEN CASE | |
| Citizen 4-471245 | CITIZEN CASE | |
| Citizen 4-571622 | CITIZEN CASE | |
| Citizen 4-810201 | CITIZEN CASE | |
| Citizen 4-895142 | CITIZE CASE REFERENCE | |
| Citizen 4-956427 | CITIZE CASE REFERENCE | |
| Citizen 4-H01628 | CITIZEN CASE | |
| Citizen 4-571622 | CITIZEN CASE | |
| Citizen 4-H05364 | CITIZEN CASE | |
| Seiko 2220-0260 | SEIKO CASE REFERENCE | |
| Citizen 4-R08031 | CITIZEN CASE | |
| Citizen 4-S33913 | CITIZEN CASE | |
| Elgin 554 | ||
| ETA 1231 | 8 x 9 | |
| Felsa 111 | 18,000 BPH DSS INCA ADJ STUD HOLDER | 11.5 |
| Felsa 111 | 18,000 BPH DSS INCA ADJ STUD HOLDER | 11.5 |
| Girard Perregaux 31 | AUTOMATIC-DIRECT CENTER SECOND | 11.5 |
| Jaeger Lecoultre 845 | 21,600 BPH-17 JL-INCA-MICROMETRIC ADJ. STUD HOLDER | 5.75 x 7 |
| Mido 346175 | MIDO CASE REFERENCE (2579407) | |
| Citizen 4-H01628 | CITIZEN CASE | |
| Omega 591.191 | OMEGA CASE USES CALIBER 1387 | |
| Seiko 2220-0260 | SEIKO CASE REFERENCE | |
| Seiko 2Y00-0A20 | SEIKO CASE REFERENCE | |
| Seiko 4M21-0B30 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5E31-6A70 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7019-5280 | SEIKO CASE REFERENCE | |
| Seiko 7732-6009 | SEIKO CASE REFERENCE | |
| Citizen 4-350120 | CITIZEN CASE | |
| Seiko 9531-5090 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko A904-519062 | SEIKO DIGITAL QUARTZ | |
| Seiko V501-0230 | SEIKO CASE 971201 | |
| Seiko V729-6A20 | SEIKO CASE 08/12/98 | |
| Seiko W401-4160 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Unitas 6420 | 21600 BPH SS CALD | 13 |
| Universal Geneve 220 | 5.5 x 8.5 | |
| Valjoux 33 | 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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