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Mainspring
For Citizen 39-1921
2.80 x 0.210 x 540 x 17.0 mm
GR Reference #: GR7007T
Height (H): 2.8mm
Thickness (T): 0.21mm
Total Length (TL): 540mm
Barrel Diameter (BD): 17mm
End Type: T
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 |
|---|---|---|
| Seiko 7N43-T030 | SEIKO CASE 951201 | |
| Bulova 3450 | ACCUTRON CASE REFERENCE | |
| Rolex 9450 | ROLEX CASE REFERENCE | |
| Citizen 4-041941 | CITIZEN CASE | |
| Citizen 4-085639 | CITIZEN CASE | |
| Citizen 4-086228 | CITIZE CASE REFERENCE | |
| Citizen 4-086228 | CITIZE CASE REFERENCE | |
| Citizen 4-230388 | CITIZEN CASE | |
| Citizen 4-391021 | CITIZEN CASE | |
| Citizen 4-394526 | CITIZEN CASE | |
| Citizen 4-571908 | CITIZEN CASE | |
| Citizen 4-C30153 | CITIZEN CASE | |
| Citizen 4-S31228 | CITIZEN CASE | |
| Citizen 4-041941 | CITIZEN CASE | |
| Citizen AA-7015 | CITIZE CASE REFERENCE | |
| Citizen SZ1212 | CITIZE CASE REFERENCE | |
| Eterna 719 | QTZ | |
| Landeron 47 | CHRONOGRAPH SMALL SECOND HOLE .20 | 13.75 |
| Mido 3519 | MIDO CASE REFERENCE | |
| Moeris 679 | 13 | |
| Omega 16165 | OMEGA CASE - USES CALIBER 455 | |
| Rolex 9450 | ROLEX CASE REFERENCE | |
| Seiko 2Y00-5559 | SEIKO CASE | |
| Seiko 7019-6040 | SEIKO CASE REFERENCE | |
| Seiko 7320-5150 | SEIKO CASE. | |
| Seiko 7N43-T030 | SEIKO CASE 951201 | |
| Seiko 7T32-7D50 | SEIKO CASE 971129 |
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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:
| Movement | Mainspring | Buy |
|---|---|---|
| Mainspring WATCH | 2.80 x 0.220 (0.210) x 560 (540) x 17.0 mm | Buy mainspring |
| Waltham 1857 | 2.80 x 0.220 (0.210) x 560 (540) x 17.0 mm | Buy mainspring |
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