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Mainspring
For Unitas 285
1.50 x 0.180 x 450 x 15.0 mm
Height (H): 1.5mm
Thickness (T): 0.18mm
Total Length (TL): 450mm
Barrel Diameter (BD): 15mm
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 C975242 | ||
| Bulova Q144 | CARAVELLE 11UOACB | |
| Bulova T3307 | ACC 2181 | |
| Citizen 4-069331 | CITIZEN CASE | |
| Citizen 4-266200 | CITIZEN CASE | |
| Citizen 4-390130 | CITIZEN CASE | |
| Citizen 4-653858 | CITIZEN CASE | |
| Citizen 4-830903 | CITIZEN CASE | |
| Citizen 4-851480 | CITIZE CASE REFERENCE | |
| Citizen 4-S22261 | CITIZE CASE REFERENCE | |
| Citizen 4-S45466 | CITIZEN CASE | |
| Citizen 7720 | 28,800 BPH | 12.5 |
| International Durowe 380.011 | 21,600 BPH CAL | 8.75 |
| Longines 1004 | LONGIN CASE REFERENCE | |
| Omega 7461 | OMEGA CASE USES CALIBER 480 | |
| Seiko 1000-8430 | SEIKO CASE REFERENCE | |
| Seiko 1400-5550 | SEIKO CASE REFERENCE | |
| Seiko 1400-7530 | SEIKO CASE REFERENCE | |
| Seiko 5421-5010 | SEIKO CASE REFERENCE | |
| Seiko 5E39-6A00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7019-540A | SEIKO CASE REFERENCE | |
| Seiko 7759-7039 | SEIKO CASE REFERENCE | |
| Seiko Y101-5459 | SEIKO CASE REFERENCE | |
| Seiko Y112-5119 | PULSAR CASE REFERENCE | |
| Seiko Y113-5089 | PULSAR CASE REFERENCE | |
| Tissot 31-21 | AUTOMATIC-SWEEP SECOND-INCABLOC | 13.5 |
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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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