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Mainspring
For Unitas 87
1.10 x 0.080 x 220 x 7.0 mm
Height (H): 1.1mm
Thickness (T): 0.08mm
Total Length (TL): 220mm
Barrel Diameter (BD): 7mm
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 4-898524 | CITIZEN CASE | |
| Citizen 4-898524 | CITIZEN CASE | |
| Citizen 4-898524 | CITIZEN CASE | |
| Citizen 4-G08211 | CITIZEN CASE | |
| Citizen 4-S040434 | ||
| Omega 195.3000 | OMEGA CASE | |
| Seiko 4N00-6929 | SEIKO CASE E971 | |
| Seiko 6309-5000 | SEIKO CASE REFERENCE | |
| Seiko 820 | 17 JL AUTO CALD DSS | 12 |
| Seiko 8C23-5090 | 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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