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Mainspring
For Hamilton 640
2.10 x 0.150 x 400 x 15.5 mm
Height (H): 2.1mm
Thickness (T): 0.15mm
Total Length (TL): 400mm
Barrel Diameter (BD): 15.5mm
End Type: TR
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 |
|---|---|---|
| Citizen 4-F47661 | CITIZEN CASE | |
| Citizen 50-8764 | CITIZE CASE REFERENCE | |
| Elgin 177 | ||
| Seiko 2A22-0229 | SEIKO CASE REFERENCE | |
| Seiko 4633-5010 | SEIKO CASE REFERENCE | |
| Citizen 4-F47661 | CITIZEN CASE | |
| Seiko 7S26-01R0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Standard 407 | 18000 BPH 17 JLS DSS ADJ STUD HOLD | 10.5 |
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