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Mainspring
For Unitas 444
1.70 x 0.175 x 540 x 16.0 mm
Height (H): 1.7mm
Thickness (T): 0.175mm
Total Length (TL): 540mm
Barrel Diameter (BD): 16mm
End Type: MB
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 |
|---|---|---|
| GR5072MB | 1.70 x 0.180 (0.175) x 540 x 16.0 mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Hamilton 626 | 19,800 BPH AUTO | 12.5 |
| Citizen 06-0917 | CITIZE CASE REFERENCE | |
| Citizen 4-226038 | CITIZEN CASE | |
| Felsa 28 | BACKWIND BPH 18,000 | 6 |
| Hamilton 626 | 19,800 BPH AUTO | 12.5 |
| Hamilton 8678 | HAMILT CASE REFERENCE | |
| Junghans 680.71 | JUN 80 | 10.5 |
| Omega 198.114 | OMEGA CASE USES CALIBER 1343 | |
| Seiko 1400-5019 | SEIKO CASE REFERENCE | |
| Seiko 8420-6650 | SEIKO CASE REFERENCE | |
| Seiko V400-X045 | PULSAR CASE MODEL PRY18AX | |
| Seiko V701-1M00 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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