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Mainspring
For Unitas 303
1.35 x 0.130 x 360 x 11.5 mm
Height (H): 1.35mm
Thickness (T): 0.13mm
Total Length (TL): 360mm
Barrel Diameter (BD): 11.5mm
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 C4111 | CARAVE CASE REFERENCE | |
| Citizen 36-9063 | CITIZE CASE REFERENCE | |
| Citizen 4-230337 | CITIZEN CASE | |
| Seiko 7A28-7040 | SEIKO CASE REFERENCE | |
| Citizen 4-266501 | CITIZEN CASE | |
| Citizen 4-844645 | CITIZE CASE REFERENCE | |
| Citizen 4-H02730 | CITIZEN CASE | |
| Citizen 4-K09931 | CITIZEN CASE REFERENCE | |
| Hamilton 487452 | HAMILT CASE REFERENCE | |
| Citizen 4-S35835 | CITIZEN CASE | |
| Citizen 99-0043 | CITIZE CASE REFERENCE | |
| Hamilton 487452 | HAMILT CASE REFERENCE | |
| Junghans 620.10 | 18,000 BPH SM SEC | 11.5 |
| Orient 52520 | QUARTZ ANALOG DSS | 11.5 x 10 |
| Rolex 1550* | ROLEX CASE REFERENCE | |
| Seiko 5S21-0A31 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6532-5300 | SEIKO CASE REFERENCE | |
| Seiko 7A28-7040 | SEIKO CASE REFERENCE | |
| Seiko 7N29-5101 | SEIKO CASE REFERENCE | |
| Seiko V722-X103.. | PULSAR CASE MODEL PTX140 | |
| Unitas 6335 | 21600 BPH SS | 13 |
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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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