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Mainspring
For Seiko 1F20-5K69
1.40 x 0.110 x 340 x 10.0 mm
GR Reference #: GR3700X
Height (H): 1.4mm
Thickness (T): 0.11mm
Total Length (TL): 340mm
Barrel Diameter (BD): 10mm
End Type: Auto
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 |
|---|---|---|
| Bulova C852104 | BULOVA CASE REFERENCE | |
| Enicar 0355 | QUARTZ | 8.75 |
| Bulova C859025 | BULOVA CASE REFERENCE | |
| Precision 250 | FOR SWEEP SECOND USE PRECIMAX 260 | 10.5 |
| Citizen 1101A | QUARTZ ANALOG DSS | 5.5 x 6.75 |
| Enicar 0355 | QUARTZ | 8.75 |
| Citizen 30-7165 | CITIZE CASE REFERENCE | |
| Citizen 38-0202 | CITIZE CASE REFERENCE | |
| Citizen 4-267427 | CITIZEN CASE | |
| Citizen 4-832639 | CITIZE CASE REFERENCE | |
| Pierce 59D | 5.25 x 8.5 | |
| Citizen 4-F42929 | CITIZEN CASE | |
| Citizen 66-0132 | CITIZE CASE REFERENCE | |
| Citizen QD2272 | CITIZE CASE REFERENCE | |
| Concord 242W | 10.5 | |
| Enicar 0355 | QUARTZ | 8.75 |
| Omega 2851 | OMEGA CASE USES CALIBER 370 | |
| Pierce 59D | 5.25 x 8.5 | |
| Precision 250 | FOR SWEEP SECOND USE PRECIMAX 260 | 10.5 |
| Ulysse Nardin N55 | 5.5 x 7 |
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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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