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Mainspring
For Unitas 446
1.25 x 0.075 x 220 x 7.5 mm
Height (H): 1.25mm
Thickness (T): 0.075mm
Total Length (TL): 220mm
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 |
|---|---|---|
| Citizen 4-163320 | CITIZEN CASE | |
| Seiko 7T32-7A7B | SEIKO CASE 08/12/98 | |
| Citizen 4-352742 | CITIZEN CASE | |
| Citizen 4-G82160 | CITIZEN CASE | |
| Seiko V789-6B50 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 49-0962 | CITIZE CASE REFERENCE | |
| Jules Jurgenson 1289 | 5 x 7 | |
| Gruen FON 1146 | FONT 1146 | |
| Jules Jurgenson 1289 | 5 x 7 | |
| Seiko 7T32-7A7B | SEIKO CASE 08/12/98 | |
| Seiko 8222-6000 | SEIKO CASE REFERENCE | |
| Seiko V789-6B50 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko W861-X006 |
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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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