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Return To ShopTo look for similar mainsprings that exactly match a specific dimension, select it from the links above.
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 |
---|---|---|
Seiko V220-336A | PULSAR CASE REFERENCE | |
Bulova C2976 | ACCUTRON CASE REFERENCE | |
Citizen 4-F47033 | CITIZEN CASE | |
Hamilton 81580 | HAMILT CASE REFERENCE | |
Rolex 300 | 7.5 x 14.5 | |
Seiko 1N00-0FH0 | SEIKO CASE REFERENCE COSERVE 2005 | |
Seiko V220-336A | PULSAR 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 # |
---|---|---|
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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