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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 |
---|---|
GR2991 | 1.20 x 0.130 (0.125) x 360 (370) x 11.0 mm |
This mainspring is used by the following movements:
Movement | Description | Ligne |
---|---|---|
Zenith 2532C | DSS CAL. 21,600 BPH MICROMETRIC ADJ STUD HOLDER | 11.5 |
Citizen 4-952863 | CITIZEN CASE | |
Dugena 3305 | 7.75 | |
Seiko 2621-5140 | SEIKO CASE REFERENCE | |
Seiko W207-5130 | ||
Seiko Y652-5040 | PULSAR CASE REFERENCE | |
Zenith 2532C | DSS CAL. 21,600 BPH MICROMETRIC ADJ STUD HOLDER | 11.5 |
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 # |
---|---|---|
IWC 63 12 | 1.10 (1.20) x 0.140 (0.125) x 290 (370) x 10.0 (11.0) mm | |
IWC 63T 12 | 1.10 (1.20) x 0.140 (0.125) x 290 (370) x 10.0 (11.0) mm |
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