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Mainspring
For Unitas 271
1.10 x 0.090 x 250 x 8.0 mm
Height (H): 1.1mm
Thickness (T): 0.09mm
Total Length (TL): 250mm
Barrel Diameter (BD): 8mm
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-K10701 | CITIZEN CASE | |
| Bulova 874 | ACCUTRON CASE REFERENCE | |
| Citizen 4-230884 | CITIZEN CASE | |
| Citizen 4-661796 | CITIZE CASE REFERENCE | |
| Citizen 4-K10701 | CITIZEN CASE | |
| Citizen 4-R10257 | CITIZEN CASE | |
| Eterna 1489K | 21600 BPH-KIF ULTRAFLEX-DSS-AUTO-CALD | 13 |
| Mido 118 | 7.75 | |
| Seiko 2E50-5080 | SEIKO CASE REFERENCE | |
| Seiko 2G28-003A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7820-5510 | SEIKO CASE REFERENCE | |
| Seiko 7N82-0293 | SEIKO CASE |
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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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