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Mainspring
For Seiko A721-400A
1.30 x 0.065 x 180 x 5.5 mm
GR Reference #: GR3177
Height (H): 1.3mm
Thickness (T): 0.065mm
Total Length (TL): 180mm
Barrel Diameter (BD): 5.5mm
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 |
|---|---|---|
| A. Schild 838 | 11.5 | |
| Alpina 324 | 17 | |
| Bulova C2453 | BULOVA CASE REFERENCE | |
| Bulova C870009 | BULOVA CASE REFERENCE | |
| Bulova C877475 | BULOVA CASE REFERENCE | |
| Bulova PUL Y481A | PULSAR Y481A | 2831.10 |
| Omega 18089 | OMEGA CASE USES CALIBER 210 | |
| Citizen 05-0130 | CITIZEN CASE REFERENCE | |
| Citizen 4-068106 | CITIZEN CASE | |
| Citizen 4-105320 | CITIZEN CASE | |
| Bulova PUL Y481A | PULSAR Y481A | 2831.10 |
| Citizen 4-107233 | CITIZEN CASE | |
| Citizen 4-271165 | CITIZE CASE REFERENCE | |
| Citizen 4-068106 | CITIZEN CASE | |
| Citizen 4-360575 | CITIZEN CASE | |
| Citizen 4-720318 | CITIZEN CASE | |
| Citizen 4-S14447 | CITIZE CASE REFERENCE | |
| Citizen 4-E62704 | CITIZEN CASE | |
| Citizen 4-S09532 | CITIZEN CASE | |
| Citizen 4-S14447 | CITIZE CASE REFERENCE | |
| Citizen 4-S49658 | CITIZEN CASE | |
| Omega 5726 | OMEGA CASE USES CALIBER 620 | |
| Citizen 4-S69721 | CITIZEN CASEEFERENCE | |
| Citizen 4-S72781 | CITIZEN CASE REFERENCE | |
| Citizen 4-T14204 | CITIZEN CASE | |
| Citizen 4-Y64743 | CITIZEN CASE | |
| Citizen 50-3061 | CITIZE CASE REFERENCE | |
| Citizen 4-S69721 | CITIZEN CASEEFERENCE | |
| Citizen 5920D | ||
| Jaeger Lecoultre 603A | QUARTZ-ANALOG | 6 x 7.75 |
| Elgin GRD 69 | ||
| Seiko 1100-5559 | SEIKO CASE REFERENCE | |
| Jaeger Lecoultre 603A | QUARTZ-ANALOG | 6 x 7.75 |
| Omega 165.002 | OMEGA CASE | |
| Omega 168.0061 | OMEGA CASE - USES CALIBER 1011 | |
| Omega 18089 | OMEGA CASE USES CALIBER 210 | |
| Bulova C877475 | BULOVA CASE REFERENCE | |
| Omega 566.041 | OMEGA CASE USES CALIBER | |
| Omega 5726 | OMEGA CASE USES CALIBER 620 | |
| Omega 791.0817 | OMEGA CASE REFERENCE | |
| Omega 791.0817 | OMEGA CASE REFERENCE | |
| Rolex 5700-0N | ROLEX CASE REFERENCE | |
| Savoie 514A/21 | 21,600 BPH-W/O SEC. (TRAIN WHEELS HAVE 6 ARMS) | 5.25 |
| Seiko 1100-5559 | SEIKO CASE REFERENCE | |
| Seiko 1N00-0H20 | SEIKO CASE REFERENCE | |
| Seiko 3F31-0C00 | SEIKO CASE REFERENCE COSERVE 2003/2004 | |
| Seiko 7019-520B | SEIKO CASE REFERENCE | |
| Seiko 7121-8000 | SEIKO CASE REFERENCE | |
| Seiko 7Y32-6M90 | ||
| Seiko V501-6P90 | SEIKO CASE 971129 | |
| Seiko V657-6030 | SEIKO CASE 971201 | |
| Seiko Y182-5A20 | SEIKO CASE 951201 | |
| Seiko Y481-5970 | PULSAR CASE REFERENCE | |
| Seiko Y563-805H | PULSAR CASE REFERENCE | |
| Southbend 211 | AMERICAN POCKET WATCH | |
| Tissot 46672 | TISSOT 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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