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Mainspring
For Unitas 143
1.20 x 0.100 x 290 x 9.0 mm
Height (H): 1.2mm
Thickness (T): 0.1mm
Total Length (TL): 290mm
Barrel Diameter (BD): 9mm
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 |
|---|---|
| GR2920 | 1.20 x 0.100 x 300 (290) x 9.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| A. Schild 530.221 | 21,600 BPH-DSS-CAL-DAY DATE-ADJ. STUD HOLDER | 10.5 |
| Bidlingmaier B 11 | 36,000 BPH ELECTRIC SWEEP SEC CALD (DAY/DATE) | 13 |
| Seiko 7N89-5120 | SEIKO CASE 971201 | |
| Pulsar VX51C | CAN'T USE VX51E STEM #351178 | |
| Seiko 7N89-5120 | SEIKO CASE 971201 | |
| Seiko V401-5140 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
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