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Mainspring
For Gruen 420
1.30 x 0.080 x 245 x 7.5 mm
Height (H): 1.3mm
Thickness (T): 0.08mm
Total Length (TL): 245mm
Barrel Diameter (BD): 7.5mm
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 |
|---|---|---|
| Bulova C862014 | BULOVA CASE REFERENCE | |
| Bulova C875132 | ||
| Seiko 2F70-0501 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Champ 25 | 6.75 x 11 | |
| Citizen 34-6161 | CITIZE CASE REFERENCE | |
| Longines 226.2 | QUARTZ CHRONO - 16 JEWELS ANALOG - CALENDAR | 10.5 |
| Citizen 4-100018 | CITIZEN CASE | |
| Citizen 4-282779 | CITIZEN CASE | |
| Seiko 7005-7080 | SEIKO CASE REFERENCE | |
| Citizen 4-294807 | CITIZEN CASE | |
| Citizen 4-328230 | CITIZEN CASE | |
| Citizen 4-361466 | CITIZEN CASE | |
| Seiko 4110-5239 | SEIKO DOES NOT LIST THIS CASE # | |
| Citizen 4-405790 | CITIZEN CASE | |
| Citizen 4-409701 | CITIZEN CASE | |
| Citizen 4-822021 | CITIZE CASE REFERENCE | |
| Citizen 4-661524 | CITIZEN CASE | |
| Citizen 4-822021 | CITIZE CASE REFERENCE | |
| Citizen 4-860152 | CITIZEN CASE | |
| Seiko V501-5B30 | SEIKO CASE 08/12/98 | |
| Citizen 4-942531 | CITIZE CASE REFERENCE | |
| Citizen 4-E50765 | CITIZEN CASE | |
| Citizen 4-F44549 | CITIZEN CASE | |
| Citizen 4-860152 | CITIZEN CASE | |
| Citizen 4-F51391 | CITIZEN CASE | |
| Citizen 4-L15308 | CITIZEN CASE | |
| Citizen 4-H16358 | CITIZEN CASE | |
| Citizen 4-K02155 | CITIZEN CASE | |
| Citizen 4-328230 | CITIZEN CASE | |
| Citizen 4-L15308 | CITIZEN CASE | |
| Citizen 4-S27247 | CITIZE CASE REFERENCE | |
| Citizen 4-100018 | CITIZEN CASE | |
| Citizen 4-Y59511 | CITIZEN CASE | |
| Seiko Y481-0080 | PULSAR CASE REFERENCE | |
| Citizen 99-0167 | CITIZE CASE REFERENCE | |
| Longines 226.2 | QUARTZ CHRONO - 16 JEWELS ANALOG - CALENDAR | 10.5 |
| Omega 14339 | OMEGA CASE - USES CALIBER 410 | |
| Omega 17022 | OMEGA USES CALIBER 482 | |
| Omega 2305 | OMEGA CASE USES CALIBER 300/310 | |
| Omega 816 | ||
| Omega G6525 | ||
| Seiko 1104-0340 | SEIKO CASE REFERENCE | |
| Seiko 1230-5869 | SEIKO CASE REFERENCE | |
| Seiko 1E70-0A10 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2100-7450 | SEIKO CASE REFERENCE | |
| Seiko 2906-0850 | SEIKO CASE REFERENCE | |
| Seiko 2F70-0501 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4110-5239 | SEIKO DOES NOT LIST THIS CASE # | |
| Seiko 4205-015A | SEIKO CASE REFERENCE | |
| Seiko 5M62-0D60 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6020-7090 | SEIKO CASE REFERENCE | |
| Seiko 6106-8020 | SEIKO CASE REFERENCE | |
| Seiko 6119-7160 | SEIKO CASE REFERENCE | |
| Seiko 7005-7080 | SEIKO CASE REFERENCE | |
| Seiko 7009-8079 | SEIKO CASE REFERENCE | |
| Seiko 7625-8293 | SEIKO | |
| Seiko V501-5B30 | SEIKO CASE 08/12/98 | |
| Seiko V811-0930 | SEIKO CASE 08/12/98 | |
| Seiko Y481-0080 | PULSAR CASE REFERENCE | |
| Timex 5631804479 | TIMEX CASE REFERENCE | |
| Venus 62 | 8.75 |
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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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