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Mainspring
For Unitas 631
1.50 x 0.100 x 280 x 8.5 mm
GR Reference #: GR4121
Height (H): 1.5mm
Thickness (T): 0.1mm
Total Length (TL): 280mm
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.
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Citizen 21-6208 | CITIZE CASE REFERENCE | |
| Citizen 35-5437 | CITIZE CASE REFERENCE | |
| Citizen 4-751361 | CITIZEN CASE | |
| Citizen 4-222831 | CITIZE CASE REFERENCE | |
| Citizen 4-751361 | CITIZEN CASE | |
| Elgin 195 | ||
| Girard Perregaux 74 | AUT | |
| International Durowe 450 | DSS SHOCK-18000 BPH- | 10.5 |
| Seiko 7006-8009 | SEIKO CASE REFERENCE | |
| Seiko V744-0A10 | SEIKO CASE 971129 | |
| Seiko Y480-7330 | PULSAR 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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