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Mainspring
For Seiko 1421-5420
1.45 x 0.100 x 280 x 8.5 mm
GR Reference #: GR3952X
Height (H): 1.45mm
Thickness (T): 0.1mm
Total Length (TL): 280mm
Barrel Diameter (BD): 8.5mm
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 |
|---|---|---|
| Seiko Y580-5710 | PULSAR CASE REFERENCE | |
| Bidlingmaier 734 | SWEEP SECOND | 7.75 |
| Bulova B721 | BULOVA CASE REFERENCE | |
| Patek Philippe 850000-859999 | SEE PP 8-85 | |
| Bulova C815041 | BULOVA CASE REFERENCE | |
| Bulova C852215 | BULOVA CASE REFERENCE | |
| Bulova C867622 | ||
| Bulova C906014 | BULOVA CASE | |
| Bulova K19 | BULOVA 6CN - CRYSTAL IS SAPPHIRE (FACTORY INSTALLED) | |
| Citizen 08-3364 | CITIZE CASE REFERENCE | |
| Citizen 08-3364 | CITIZE CASE REFERENCE | |
| Citizen 38-3821 | CITIZE CASE REFERENCE | |
| Citizen 4-020791 | CITIZEN CASE | |
| Seiko 4N20-031A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-073177 | CITIZEN CASE | |
| Citizen 4-088409 | CITIZE CASE REFERENCE | |
| Citizen 4-095367 | CITIZEN CASE | |
| Citizen 4-223284 | CITIZEN CASE | |
| Citizen 4-S18299 | CITIZEN CASE | |
| Citizen 4-340264 | CITIZEN CASE | |
| Seiko 7N82-0240 | SEIKO CASE 951201 | |
| Citizen 4-375076 | CITIZEN CASE | |
| Seiko 1N00-5E49 | SEIKO CASE REFERENCE | |
| Citizen 4-471865 | CITIZEN CASE | |
| Seiko 1N00-0G60 | SEIKO CASE | |
| Citizen 4-795784 | CITIZEN CASE | |
| Citizen 4-796896 | CITIZEN CASE | |
| Citizen 4-910419 | CITIZEN CASE | |
| Citizen 4-970349 | CITIZEN CASE | |
| Citizen 4-E62399 | CITIZE CASE REFERENCE | |
| Citizen 4-E63042 | CITIZEN CASE | |
| Citizen 4-E63352 | CITIZEN CASE | |
| Bulova C852215 | BULOVA CASE REFERENCE | |
| Citizen 4-F51014 | CITIZEN CASE | |
| Citizen 4-375076 | CITIZEN CASE | |
| Citizen 4-G70358 | CITIZE CASE REFERENCE | |
| Citizen 4-H02632 | CITIZEN CASE | |
| Seiko W650-4210 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-H07707 | CITIZEN CASE | |
| Citizen 4-K10115 | CITIZEN CASE | |
| Seiko W650-4210 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Citizen 4-R00740 | CITIZEN CASE | |
| Bulova B721 | BULOVA CASE REFERENCE | |
| Citizen 4-S18299 | CITIZEN CASE | |
| Citizen 4-S50753 | CITIZEN CASE | |
| Citizen 4-Y59430 | CITIZEN CASE | |
| Citizen 4-Y68021 | CITIZEN CASE | |
| Citizen 7990E | QUARTZ ANALOG DSS CALD | |
| Citizen AZ-0438 | CITIZE CASE REFERENCE | |
| Croton A5M | AS 1780 | 8.75 |
| Girard Perregaux 32A | 36000 BPH BALL BEARING WEIGHT CALD DSS | 11.5 |
| Girard Perregaux 450-277 | ||
| Gruen HB 115 | H BECKER 115 | 525 |
| Hermann Becker 114 | DSS CAL BM 10 | 11.5 |
| Omega 131.0002 | OMEGA CASE USES CALIBER 286 | |
| Omega 149.0663 | OMEGA CASE USES CALIBER | |
| Omega 17036 | OMEGA USES CALIBER 482/483 | |
| Omega 3616 | OMEGA CASE USES CALIBER 240 | |
| Omega 591.259 | OMEGA CASE USES CALIBER 1375 | |
| Omega 591.274 | OMEGA CASE USES CALIBER 1375 | |
| Omega 596.330 | OMEGA CASE USES CALIBER 1433 | |
| Omega 611.070 | OMEGA CASE USES CALIBER 640 | |
| Omega 7890 | OMEGA CASE USES CALIBER 480 | |
| Omega 795.9104 | OMEGA CASE USES CALIBER 1376 | |
| Omega D6634 | ||
| Patek Philippe 850000-859999 | SEE PP 8-85 | |
| Peseux 120 | 5.75 x 8.5 | |
| Pulsar Y770A | QUARTZ-DIGITAL- | 5.25 x 8.5 |
| Rolex 74100 | ROLEX CASE REFERENCE | |
| Seiko 1000-7410 | SEIKO CASE REFERENCE | |
| Seiko 1104-7130 | SEIKO CASE REFERENCE | |
| Seiko 1700-3220 | SEIKO CASE REFERENCE | |
| Seiko 1E20-0240 | SEIKO CASE REFERENCE | |
| Seiko 1N00-0G60 | SEIKO CASE | |
| Seiko 1N00-5E49 | SEIKO CASE REFERENCE | |
| Seiko 2906-0960 | SEIKO CASE REFERENCE | |
| Seiko 2E20-525A | SEIKO CASE REFERENCE | |
| Seiko 4N20-031A | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 5M63-0B40 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 6106-7551 | SEIKO CASE REFERENCE | |
| Seiko 6119-7163 | SEIKO | |
| Seiko 7009-5710 | SEIKO CASE REFERENCE | |
| Seiko 7321-0310 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7779-6030 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7N33-6A10 | SEIKO CASE 08/12/98 | |
| Seiko 7N82-0240 | SEIKO CASE 951201 | |
| Seiko V232-5590 | PULSAR CASE REFERENCE | |
| Seiko V235-5400 | SEIKO CASE REFERENCE | |
| Seiko V322-5360 | SEIKO CASE REFERENCE | |
| Seiko V501-6G80 | SEIKO CASE 951201 | |
| Seiko V515-6B20 | LORUS CASE REFERENCE | |
| Seiko W650-4210 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko Y580-5710 | PULSAR 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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