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Mainspring
For Unitas 251
1.60 x 0.080 x 300 x 8.0 mm
GR Reference #: GR4448
Height (H): 1.6mm
Thickness (T): 0.08mm
Total Length (TL): 300mm
Barrel Diameter (BD): 8mm
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 |
|---|---|---|
| Bulova 6AA | ||
| Citizen 32-7476 | CITIZE CASE REFERENCE | |
| Seiko 8122-500B | SEIKO CASE REFERENCE | |
| Citizen 4-944224 | CITIZEN CASE | |
| Citizen 4-948181 | CITIZEN CASE | |
| Seiko 8122-500B | SEIKO CASE REFERENCE | |
| Citizen 4-E51206 | CITIZEN CASE | |
| Citizen 4-S12428 | CITIZEN CASE | |
| Citizen 88-2101 | CITIZE CASE REFERENCE | |
| Citizen 32-7476 | CITIZE CASE REFERENCE | |
| Croton V37/B4804 | VENUS 202 | 11.5 |
| Citizen 4-E51206 | CITIZEN CASE | |
| Hamilton 912 | AMERICAN P/W OPEN FACE 17 JEWEL * | |
| Pulsar YL60A | USE SKO 1F20A HR WHL HT=.95MM; NEW MVT STEM IS TAP 13 | |
| Seiko 5780 | ||
| Seiko 6119-6003 | SEIKO CASE REFERENCE | |
| Seiko 6601A | 17 JL-AUTO-DSS-SHOCK | 12.25 |
| Seiko 8122-500B | SEIKO CASE REFERENCE | |
| Seiko V701-7170 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y113-705A | PULSAR CASE REFERENCE | |
| Seiko Y591-0150 | USE Y591-0019 | |
| Venus 102 | VEN 60 | 8.75 |
| Wyler WH223 | INCAF AUTO DSS - ETA 2522 | 11.5 |
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Similar Mainspring Listing
This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:
| Movement | Mainspring | GR Reference # |
|---|---|---|
| Omega 26.5 | 1.50 (1.60) x 0.100 (0.080) x 360 (300) x 9.5 (8.0) mm | GR4125 |
| Omega 420 | 1.50 (1.60) x 0.100 (0.080) x 360 (300) x 9.5 (8.0) mm | GR4125 |
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