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Mainspring
For Unitas 312
2.00 x 0.180 x 390 x 14.0 mm
Height (H): 2mm
Thickness (T): 0.18mm
Total Length (TL): 390mm
Barrel Diameter (BD): 14mm
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:
| GR Reference # | Mainspring | Buy |
|---|---|---|
| GR5851 | 2.00 x 0.170 (0.180) x 420 (390) x 13.5 (14.0) mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 4-155882 | CITIZEN CASE | |
| Citizen 4-S43927 | CITIZEN CASE | |
| Croton TFH | FF 120 | 6.75 x 8 |
| Master Time M 326 |
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