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Mainspring
For Junghans 687.73
2.10 x 0.210 x 490 x 17.0 mm
Height (H): 2.1mm
Thickness (T): 0.21mm
Total Length (TL): 490mm
Barrel Diameter (BD): 17mm
End Type: Manual
To look for similar mainsprings that exactly match a specific dimension, select it from the links above.
GR Approximation
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:
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Brac 505 | MECHANICAL, SWEEP SECOND/PIN LEVER | 13 |
| Seiko 2906-522A | SEIKO CASE REFERENCE | |
| Bulova R311 | BULOVA CASE REFERENCE | |
| Citizen 4-S42076 | CITIZEN CASE REFERENCE | |
| Citizen 4-087186 | CITIZE CASE REFERENCE | |
| Citizen 4-264622 | CITIZEN CASE | |
| Citizen 4-S42076 | CITIZEN CASE REFERENCE | |
| Elgin 829 | CALENDAR-DIRECT CENTER SECOND | 10.5 |
| Elgin F370 | 5.75 x 7 | |
| Felsa 468 | 11.5 | |
| Omega 198.0045 | OMEGA CASE REFERENCE | |
| Seiko 2559-0020 | SEIKO CASE REFERENCE | |
| Seiko 2559-0020 | SEIKO CASE REFERENCE | |
| Seiko 2906-522A | SEIKO CASE REFERENCE | |
| Seiko 2906-522A | SEIKO CASE REFERENCE | |
| Seiko 2E20-6251 | SEIKO CASE 951201 | |
| Seiko 4207-00T0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 4207-00T0 | SEIKO CASE REFERENCE COSERVE 2005 | |
| Seiko 7813-5010 | SEIKO CASE REFERENCE | |
| Seiko 7830-5110 | SEIKO CASE REFERENCE |
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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:
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