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Mainspring
For Junghans 688.70
1.30 x 0.140 x 360 x 12.0 mm
Height (H): 1.3mm
Thickness (T): 0.14mm
Total Length (TL): 360mm
Barrel Diameter (BD): 12mm
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:
| GR Reference # | Mainspring |
|---|---|
| GR3367 | 1.30 x 0.145 (0.140) x 380 (360) x 12.0 mm |
Movement Listing
This mainspring is used by the following movements:
| Movement | Description | Ligne |
|---|---|---|
| Roamer 235 | CYL | 10.5 |
| Citizen 4-201051 | CITIZEN CASE | |
| Citizen 4-352416 | CITIZEN CASE | |
| Citizen 81-1017 | CITIZE CASE REFERENCE | |
| Citizen 4-850998 | CITIZE CASE REFERENCE | |
| Citizen 4-L03610 | CITIZEN CASE | |
| Citizen 81-1017 | CITIZE CASE REFERENCE | |
| Gruen 386 | MECHANICAL MVT | 17.5 |
| Omega 7908 | OMEGA CASE USES CALIBER 480 | |
| Roamer 235 | CYL | 10.5 |
| Seiko 2P20-0A9A | SEIKO CASE REFERENCE | |
| Seiko 4N00-6150 | SEIKO CASE 951201 | |
| Seiko V041-5340 | PULSAR CASE REFERENCE | |
| Seiko Y434-5270 | PULSAR CASE REFERENCE |
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Similar Mainspring Listing
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 # |
|---|---|---|
| Lemania 1276 | 1.30 x 0.130 (0.140) x 300 (360) x 10.5 (12.0) mm |
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