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Mainspring
For Unitas 291
1.60 x 0.120 x 285 x 11.5 mm
Height (H): 1.6mm
Thickness (T): 0.12mm
Total Length (TL): 285mm
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:
| GR Reference # | Mainspring | Buy |
|---|---|---|
| GR4575 | 1.60 x 0.135 (0.120) x 300 (285) x 11.0 (11.5) mm | Buy mainspring |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Alpina 701 | 6.75 | |
| Citizen 4-286821 | CITIZEN CASE | |
| Citizen 4-097653 | CITIZE CASE REFERENCE | |
| Citizen 4-286821 | CITIZEN CASE | |
| Citizen 4-732197 | CITIZEN CASE | |
| Citizen 4-958659 | CITIZEN CASE | |
| Longines 71971 | LONGIN CASE REFERENCE | |
| Citizen 4-286821 | CITIZEN CASE | |
| Omega 795.0869 | OMEGA CASE USES CALIBER 1455 | |
| Seiko 4336-8119 | SEIKO CASE REFERENCE | |
| Seiko 5P39-5000 | 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:
| Movement | Mainspring | Buy |
|---|---|---|
| A. Schild 552 | 1.60 x 0.135 (0.120) x 300 (285) x 11.0 (11.5) mm | Buy mainspring |
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