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Mainspring
For Unitas 447
1.35 x 0.080 x 250 x 7.5 mm
Height (H): 1.35mm
Thickness (T): 0.08mm
Total Length (TL): 250mm
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 |
|---|---|---|
| Seiko Y643-0010 | PULSAR CASE REFERENCE | |
| Bulova C837322 | BULOVA CASE | |
| Bulova C894013 | BULOVA CASE | |
| Omega 16919 | OMEGA USES CALIBER 244 | |
| Citizen 33-7323 | CITIZE CASE REFERENCE | |
| Citizen 4-075960 | CITIZEN CASE | |
| Seiko 8223-504A | SEIKO CASE REFERENCE | |
| Citizen 4-151721 | CITIZEN CASE | |
| Citizen 4-213963 | CITIZEN CASE | |
| Citizen 4-730321 | CITIZEN CASE | |
| Citizen 4-G13346 | CITIZEN CASE | |
| Citizen 4-K07025 | CITIZEN CASE | |
| Citizen 4-K08625 | CITIZEN CASE REFERENCE CAL 6031 | |
| Citizen 4-S05553 | CITIZEN CASE | |
| Citizen 4-S11723 | CITIZEN CASE | |
| Citizen 61-0178 | CITIZE CASE REFERENCE | |
| Citizen QZ7024 | CITIZE CASE REFERENCE | |
| Concord 79 | ||
| Elgin 367 | AMERICAN P/W | |
| Girard Perregaux 21.29 | 11.5 | |
| Girard Perregaux 644 | QUARTZ | |
| Judex 691-M6 | 21,600 BPH | 6.75 x 8 |
| Miyota JS26 | ||
| Omega 16919 | OMEGA USES CALIBER 244 | |
| Omega 18316 | OMEGA CASE USES CALIBER 440 | |
| Omega 611.057 | OMEGA CASE USES CALIBER 640 | |
| Seiko 0903-8150 | SEIKO CASE REFERENCE | |
| Seiko 1F20-0K20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 1N01-0H90 | ||
| Seiko 2100-0260 | SEIKO CASE REFERENCE | |
| Seiko 2620-0219 | SEIKO CASE REFERENCE | |
| Seiko 2A23-5240 | SEIKO CASE REFERENCE | |
| Seiko 2C20-5570 | SEIKO CASE REFERENCE | |
| Seiko 2P20-5C90 | SEIKO CASE REFERENCE | |
| Seiko 2P21-0150 | SEIKO CASE REFERENCE | |
| Seiko 2P21-536A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4N01-039H | SEIKO CASE REFERENCE | |
| Seiko 5606-5070 | SEIKO CASE REFERENCE | |
| Seiko 5931-5120 | SEIKO CASE REFERENCE | |
| Seiko 5A50-006H | SEIKO CASE REFERENCE | |
| Seiko 5E32-0020 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5J22-0C70 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6020-5839 | SEIKO CASE REFERENCE | |
| Seiko 6119-6010 | SEIKO CASE REFERENCE | |
| Seiko 6309-1859 | SEIKO | |
| Seiko 6730-5873 | SEIKO CASE | |
| Seiko 7123-9026 | SEIKO | |
| Seiko 8223-504A | SEIKO CASE REFERENCE | |
| Seiko 8420-004B | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 8420-6320 | SEIKO CASE REFERENCE | |
| Seiko V329-6A10 | SEIKO CASE REFERENCE | |
| Seiko V532-6A20 | LORUS CASE | |
| Seiko W851-4020 | ||
| Seiko Y131-5140 | PULSAR CASE REFERENCE | |
| Seiko Y643-0010 | PULSAR CASE REFERENCE |
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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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