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Mainspring
For Unitas 307
2.10 x 0.200 x 490 x 16.5 mm
Height (H): 2.1mm
Thickness (T): 0.2mm
Total Length (TL): 490mm
Barrel Diameter (BD): 16.5mm
End Type: Manual
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 |
|---|---|---|
| Seiko 7545-700A | SEIKO CASE 08/12/98 | |
| Citizen 4-159900 | CITIZEN CASE | |
| Citizen 4-204395 | CITIZEN CASE | |
| Citizen 4-912489 | CITIZEN CASE | |
| Citizen 4-G05114 | CITIZE CASE REFERENCE | |
| Citizen 4-S23926 | CITIZEN CASE | |
| Citizen DY-5055 | CITIZE CASE REFERENCE | |
| Seiko 2E20-6240 | SEIKO CASE REFERENCE | |
| Seiko 5P31-9A00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-S23926 | CITIZEN CASE | |
| Seiko 5Y22-8060 | SEIKO CASE REFERENCE | |
| Citizen DY-5055 | CITIZE CASE REFERENCE | |
| Seiko 7545-700A | SEIKO CASE 08/12/98 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Eterna 35L | 2.00 (2.10) x 0.210 (0.200) x 440 (490) x 16.0 (16.5) mm |
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