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Mainspring
For Unitas 493
1.50 x 0.190 x 490 x 16.0 mm
Height (H): 1.5mm
Thickness (T): 0.19mm
Total Length (TL): 490mm
Barrel Diameter (BD): 16mm
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 4-320361 | CITIZEN CASE | |
| Citizen 4-A00301 | CITIZEN CASE | |
| Citizen 4-E65410 | CITIZEN CASE | |
| Citizen 4-G00023 | CITIZEN CASE | |
| Citizen 4-ZC0252 | CITIZE CASE REFERENCE | |
| Citizen 4-S28472 | CITIZEN CASE | |
| Citizen 4-ZC0252 | CITIZE CASE REFERENCE | |
| Elgin 81S-SA81S | 21,600 BPH 17JL SHOCK ADJ STUD HOLDER AS 1977-2 | 5.5 x 6.75 |
| Seiko 1100-7780 | SEIKO CASE REFERENCE |
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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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