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Mainspring
For Unitas 457
1.30 x 0.080 x 245 x 7.5 mm
Height (H): 1.3mm
Thickness (T): 0.08mm
Total Length (TL): 245mm
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.
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 |
|---|---|---|
| Alpina 657 | AS 1204 | 12 |
| Alpina 813 | AS 1051 | 5.75 x 8.5 |
| Bulova C876504 | ||
| ETA 804 | SWEEP SECOND ETA 790 | 8.75 |
| Bulova K45 | BULOVA 5AT | |
| Citizen 2828A | QUARTZ ANALOG W/OUT SECOND | 8 x 10 |
| Citizen 4-079663 | CITIZEN CASE | |
| Citizen 4-092406 | CITIZEN CASE | |
| Citizen 4-S03402 | CITIZEN CASE | |
| Citizen 4-362781 | CITIZE CASE REFERENCE | |
| Citizen 4-664655 | CITIZEN CASE | |
| Rolex 92311 | ROLEX CASE REFERENCE | |
| Citizen 4-670281 | CITIZEN CASE | |
| Citizen 4-851528 | CITIZEN CASE | |
| Citizen 4-851846 | CITIZEN CASE | |
| Girard Perregaux 87 NEW | 21600 BPH OFFSET CENTER | 8.25 |
| Citizen 4-910371 | CITIZEN CASE | |
| Citizen 4-948483 | CITIZE CASE REFERENCE | |
| Citizen 4-F60251 | CITIZEN CASE | |
| Citizen 4-K10301 | CITIZEN CASE | |
| Citizen 4-S03402 | CITIZEN CASE | |
| Citizen 4-S14382 | CITIZEN CASE | |
| Citizen 4-S22300 | CITIZE CASE REFERENCE | |
| Citizen 4-S59611 | CITIZEN CASE | |
| Citizen 4-948483 | CITIZE CASE REFERENCE | |
| Citizen 61-9531 | CITIZE CASE REFERENCE | |
| Citizen 4-670281 | CITIZEN CASE | |
| Citizen 88-5061 | CITIZE CASE REFERENCE | |
| Citizen 8952 | QUARTZ ANALOG/DIGITAL DSS CALD ALARM | |
| Citizen BW-7287 | CITIZE CASE REFERENCE | |
| Roamer 370 | PIN LEVER-RIGHT SETTING PARTS | 16 |
| Elgin 332 | 17JL CHRONO | 13 |
| ETA 804 | SWEEP SECOND ETA 790 | 8.75 |
| Fontainemelon 188 | 10.5 | |
| Girard Perregaux 87 NEW | 21600 BPH OFFSET CENTER | 8.25 |
| Lucien Piccard 30 | AUTOMATIC | 12 |
| Moeris 16B OLD | NEGATIVE WIND | 16 |
| Omega 1340 | QUARTZ-DSS (RETURN ENTIRE WATCH FOR CIRCUIT) | 11.5 |
| Roamer 370 | PIN LEVER-RIGHT SETTING PARTS | 16 |
| Omega 18160 | OMEGA CASE USES CALIBER 440 | |
| Omega 6292 | OMEGA CASE REFERENCE | |
| Omega 7382 | OMEGA CASE USES CALIBER 1353 | |
| Peseux 315 | AUTOMATIC-SWEEP SECOND-ADJUSTABLE STUD HOLDER | 11.5 |
| Roamer 370 | PIN LEVER-RIGHT SETTING PARTS | 16 |
| Rolex 92311 | ROLEX CASE REFERENCE | |
| Seiko 1N00-5H20 | SEIKO CASE 951201 | |
| Seiko 2320-574B | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 2F50-5390 | SEIKO CASE REFERENCE | |
| Seiko 4300-5100 | SEIKO CASE REFERENCE | |
| Seiko 4N20-0420 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5931-5291 | SEIKO | |
| Seiko 6206-8990 | SEIKO CASE REFERENCE | |
| Seiko 7009-5830 | SEIKO CASE REFERENCE | |
| Seiko 8420-6849 | SEIKO CASE REFERENCE | |
| Seiko NX04-0A20 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko V821-0670 | SEIKO CASE 971201 | |
| Seiko Y112-8059 | PULSAR CASE REFERENCE | |
| Seiko Y145-6000 | SEIKO CASE REFERENCE COSERVE 2003/2004 |
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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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