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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 |
---|---|
GR4478 | 1.60 x 0.095 x 340 (330) x 9.5 mm |
This mainspring is used by the following movements:
Movement | Description | Ligne |
---|---|---|
Eterna 1422 | 18,000 BPH-AUTOMATIC-CALENDAR-OFFSET | 12.5 |
Citizen 4-292928 | CITIZEN CASE | |
Citizen 4-403011 | CITIZEN CASE | |
Citizen 4-917901 | CITIZEN CASE | |
Eterna 1422 | 18,000 BPH-AUTOMATIC-CALENDAR-OFFSET | 12.5 |
Seiko 8F56-0010 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
Seiko L424-5040 | SEIKO CASE REFERENCE | |
Seiko L424-5040 | SEIKO CASE REFERENCE |
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 # |
---|---|---|
Rolex 310 | 1.60 x 0.095 x 360 (330) x 9.5 mm | GR4479 |
Rolex 350 | 1.60 x 0.095 x 360 (330) x 9.5 mm | GR4479 |
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