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Mainspring
For Seiko 4N21-0900
1.40 x 0.110 x 300 x 9.0 mm
GR Reference #: GR3698
Height (H): 1.4mm
Thickness (T): 0.11mm
Total Length (TL): 300mm
Barrel Diameter (BD): 9mm
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 |
|---|---|---|
| Bettlach 8430 | PIN LEVER W/O SECOND | 6.75 x 8 |
| Brac 1300-1303 | BPH W/O SEC | 10.5 x 11.5 |
| Citizen 4-790910 | CITIZEN CASE | |
| Bulova 312 | BULOVA CASE REFERENCE | |
| Bulova 330 | BULOVA CASE REFERENCE | |
| Bulova 7AE | MECH | 7.75 |
| Citizen 4-284178 | CITIZEN CASE | |
| Bulova C3906 | BULOVA CASE REFERENCE | |
| Bulova C8179 | BULOVA CASE REFERENCE | |
| Bulova C875113 | ||
| Citizen 4-284178 | CITIZEN CASE | |
| Bulova C877170 | CARAVE CASE REFERENCE | |
| Universal Geneve 53 | 12.5 | |
| Bulova C877243 | BULOVA CASE REFERENCE | |
| Bulova C878008 | BULOVA CASE REFERENCE | |
| Citizen 36-7419 | CITIZE CASE REFERENCE | |
| Citizen 4-040945 | CITIZE CASE REFERENCE | |
| Citizen 4-086422 | CITIZEN CASE | |
| Citizen 4-140893 | CITIZEN CASE | |
| Citizen 4-105893 | CITIZEN CASE | |
| Citizen 4-140893 | CITIZEN CASE | |
| Citizen 4-163052 | CITIZEN CASE | |
| Omega 695.1080 | OMEGA CASE USES CALIBER 1455 | |
| Citizen 4-212029 | CITIZEN CASE | |
| Citizen 4-242921 | CITIZEN CASE | |
| Mido 001147-2NCD | 11.5 | |
| Citizen 4-281527 | CITIZEN CASE | |
| Citizen 4-284178 | CITIZEN CASE | |
| Citizen 4-330374 | CITIZEN CASE | |
| Citizen 4-399307 | CITIZEN CASE | |
| Citizen 4-402120 | CITIZEN CASE | |
| Citizen 4-472616 | CITIZEN CASE | |
| Omega 16530 | OMEGA USES CALIBER 483 | |
| Citizen 4-673689 | CITIZEN CASE | |
| Omega 14735 | OMEGA CASE - USES CALIBER 520 | |
| Citizen 4-790910 | CITIZEN CASE | |
| Citizen 4-982487 | CITIZEN CASE | |
| Citizen 4-F80120 | CITIZEN CASE | |
| Citizen 4-G80914 | CITIZEN CASE | |
| Seiko 2320-0010 | SEIKO CASE REFERENCE | |
| Citizen 4-L10578 | CITIZEN CASE | |
| Citizen 4-S043131 | CITIZEN CASE | |
| Omega 695.1080 | OMEGA CASE USES CALIBER 1455 | |
| Citizen 4-Y60187 | CITIZEN CASE | |
| Citizen 71-4542 | CITIZE CASE REFERENCE | |
| Citizen ST-1011 | CITIZE CASE REFERENCE | |
| Cyma Tavannes 112 | REGULAR AND SWEEP SECOND | 5.5 x 8.75 |
| Ebel 73 | ETA 2365 AUTO DSS 7 3/4L | |
| ETA 1191 | 8 x 9 | |
| ETA 705 | 4.75 x 11 | |
| Gruen LIP RES 50 | LIP REX 50 | 80 |
| Heuer WK2114 | ||
| Junghans 30 | 18.5 | |
| Kaiser 4 | ||
| Mido 001147-2NCD | 11.5 | |
| Omega 14381 | OMEGA CASE REFERENCE | |
| Omega 14735 | OMEGA CASE - USES CALIBER 520 | |
| Omega 16530 | OMEGA USES CALIBER 483 | |
| Omega 166.0106 | OMEGA CASE - USES CALIBER 980 | |
| Omega 196.0013 | OMEGA CASE USES CALIBER 1510 | |
| Omega 196.279 | OMEGA CASE USES CALIBER 1430 | |
| Omega 26.5SOBT2 | ||
| Omega 596.066/1 | OMEGA CASE USES CALIBER 1426 | |
| Omega 695.1080 | OMEGA CASE USES CALIBER 1455 | |
| Peseux 90 | COVERED WINDING | 4.5 x 11 |
| Record 19 | 19 | |
| Rolex 190 | 18,000 B P H | 5 x 7 |
| Rolex 6629 | ROLEX CASE REFERENCE | |
| Seiko 0841A | QUARTZ ANALOG | |
| Seiko 1520-3140 | SEIKO CASE REFERENCE | |
| Seiko 1E50-5250 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 1N01-0F50 | SEIKO CASE | |
| Seiko 2320-0010 | SEIKO CASE REFERENCE | |
| Seiko 2Y01-5050 | SEIKO CASE REFERENCE | |
| Seiko 5G23-8019 | SEIKO CASE | |
| Seiko 6106-5649 | SIEKO USE 6106-5549 | |
| Seiko 7009-5931 | SEIKO CASE REFERENCE | |
| Seiko 7432-6010 | SEIKO CASE REFERENCE | |
| Seiko 7N82-5020 | SEIKO CASE 951201 | |
| Seiko 7N85-0100 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko H601-546J | SEIKO CASE REFERENCE | |
| Seiko V233-6330 | ||
| Seiko Y151-5D00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Standard 173A | USE STANDARD 173 | 12.5 |
| Timex 5667313584 | TIMEX CASE REFERENCE | |
| Tissot 2135 | 21,600 BPH-SHOCK | 6.75 x 8 |
| Universal Geneve 53 | 12.5 | |
| Wittnauer CN2350 | WITT CASE REFERENCE | |
| Zenith 4009 | 13.5 |
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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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