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Mainspring
For Cortebert 731
1.30 x 0.075 x 275 x 7.0 mm
Height (H): 1.3mm
Thickness (T): 0.075mm
Total Length (TL): 275mm
Barrel Diameter (BD): 7mm
End Type: Auto
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 |
|---|---|---|
| Seiko 6530-5730 | SEIKO CASE REFERENCE | |
| Citizen 4-078756 | CITIZEN CASE | |
| Citizen 71-4291 | CITIZE CASE REFERENCE | |
| Citizen 4-097769 | CITIZEN CASE | |
| Citizen 4-221273 | CITIZE CASE REFERENCE | |
| Citizen 4-242327 | CITIZE CASE REFERENCE | |
| Citizen 4-899521 | CITIZE CASE REFERENCE | |
| Lemania 2540 | CHRO HR REC INC | 12 |
| Citizen 4-F92004 | CITIZEN CASE | |
| Citizen 4-S05090 | CITIZE CASE REFERENCE | |
| Citizen 4-S18761 | CITIZEN CASE | |
| Citizen 47-8016 | CITIZE CASE REFERENCE | |
| Citizen 71-4291 | CITIZE CASE REFERENCE | |
| Fontainemelon 411 | 28,800 BPH DSS AUTO CALD W/CORR ADJ STUD HOLDER | 11.5 |
| Lemania 2540 | CHRO HR REC INC | 12 |
| Mido 8703 | MIDO CASE REFERENCE | |
| Omega 168.0050 | OMEGA CASE REFERENCE | |
| Omega 18138 | OMEGA CASE USES CALIBER 440 | |
| Omega 7587 | OMEGA CASE USES CALIBER 650 | |
| Piaget 12P | AUTO | 12 |
| Pulsar W207A | DIGITAL QUARTZ | |
| Ricoh 0351 | 7.75 x 6.75 | |
| Ronda 913P | 18000 BPH-PIN LEVER-DSS OR W/O SEC- | 8.75 |
| Seiko 2E20-7450 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 4217-504B | SEIKO CASE REFERENCE | |
| Seiko 5606-5020 | SEIKO CASE REFERENCE | |
| Seiko 6530-5730 | SEIKO CASE REFERENCE | |
| Seiko 7009-838A | SEIKO | |
| Seiko L221-4040 | SEIKO CASE REFERENCE | |
| Seiko V301-6C80 | SEIKO CASE 08/12/98 |
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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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