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Mainspring
For Unitas 457
1.55 x 0.100 x 250 x 8.5 mm
Height (H): 1.55mm
Thickness (T): 0.1mm
Total Length (TL): 250mm
Barrel Diameter (BD): 8.5mm
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 |
|---|---|---|
| Bulova C877112 | BULOVA CASE REFERENCE | |
| Rolex 90230 | ROLEX CASE REFERENCE | |
| Citizen 4-038584 | CITIZEN CASE | |
| Citizen 4-166043 | CITIZEN CASE | |
| Citizen 4-352084 | CITIZEN CASE | |
| Citizen 4-705238 | CITIZEN CASE | |
| Citizen 4-S13840 | CITIZEN CASE | |
| Peseux 7057 | 21,600 BPH CAL (DAY-DATE) | 11.5 |
| Puw 2590S | ||
| Rolex 90230 | ROLEX CASE REFERENCE | |
| Seiko 7T52-6000 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V230-5140 | PULSAR CASE REFERENCE | |
| Seiko VX32-0AC0 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y580-5800 | 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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