Watch Database
Mainspring
For Seiko S640-4020
1.40 x 0.080 x 260 x 7.5 mm
GR Reference #: GR3608
Height (H): 1.4mm
Thickness (T): 0.08mm
Total Length (TL): 260mm
Barrel Diameter (BD): 7.5mm
End Type: Manual
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 9300-5480 | SEIKO CASE REFERENCE | |
| Bulova C636-1 | BULOVA CASE REFERENCE | |
| Citizen 384 CLASPS | ||
| Bulova C636-1 | BULOVA CASE REFERENCE | |
| Citizen 4-082699 | CITIZE CASE REFERENCE | |
| Citizen 4-752961 | CITIZEN CASE | |
| Citizen 4-F40934 | CITIZEN CASE | |
| Citizen 4-L07232 | CITIZEN CASE | |
| Citizen 81-7716 | CITIZE CASE REFERENCE | |
| Concord 43 | ||
| Mido 323 | ETA 2570 | 6.75 |
| Omega 1390 | QUARTZ ELECTRIC SS CALD W/CORR STOP SEC SECCOR | 38 |
| Omega 19065 | OMEGA CASE USES CALIBER 552 | |
| Omega 368.1221 | ||
| Seiko 5719-8990 | SEIKO | |
| Seiko 5719-8990 | SEIKO | |
| Seiko 7321-5630 | SEIKO CASE REFERENCE | |
| Seiko 8L75-0A60 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 9300-5480 | SEIKO CASE REFERENCE | |
| Seiko H140-8333 | SEIKO CASE | |
| Seiko H140-8333 | SEIKO CASE | |
| Citizen 4-082699 | CITIZE CASE REFERENCE | |
| Seiko V732-0D90 | SEIKO CASE 971129 | |
| Citizen 81-7716 | CITIZE 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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