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Mainspring
For Unitas 6487
1.60 x 0.070 x 220 x 6.0 mm
GR Reference #: GR4427
Height (H): 1.6mm
Thickness (T): 0.07mm
Total Length (TL): 220mm
Barrel Diameter (BD): 6mm
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 |
|---|---|---|
| Bulova C3223 | BULOVA CASE REFERENCE | |
| Chezard 66 | 6.75 | |
| Citizen 4-H05186 | CITIZEN CASE | |
| Citizen 32-1184 | CITIZE CASE REFERENCE | |
| Citizen 4-037863 | CITIZEN CASE | |
| Citizen 4-037863 | CITIZEN CASE | |
| Citizen 4-731603 | CITIZE CASE REFERENCE | |
| Omega 18562 | OMEGA CASE USES CALIBER 440 | |
| Citizen 4-956273 | CITIZEN CASE | |
| Citizen 4-E64871 | CITIZEN CASE | |
| Citizen 4-G07907 | CITIZEN CASE | |
| Citizen 4-E64871 | CITIZEN CASE | |
| Citizen 4-H05186 | CITIZEN CASE | |
| Citizen 32-1184 | CITIZE CASE REFERENCE | |
| Geneva Sport Watch 71 | DIRECT CENTER SECOND | 11.5 |
| Omega 18562 | OMEGA CASE USES CALIBER 440 | |
| Omega 511.064 | OMEGA CASE USES CALIBER 483 | |
| Seiko 7800-5010 | SEIKO CASE REFERENCE | |
| Seiko V732-0N10 | ||
| Venus 72 | VEN 60 | 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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