122:. Since then, Seiko and the Hattori family have reduced their holdings in Seiko Epson. Although Seiko Group Corporation (f/k/a K. Hattori, Hattori Seiko, and Seiko Holdings) and the key members of the Hattori family still hold approximately 10% of the outstanding shares of Seiko Epson, the company is managed and operated completely independently from Seiko Group. Epson is several times larger than the Seiko Group in terms of revenue and market cap. It has established its own brand image and rarely uses 'Seiko.'
1740:
786:
598:
796:
362:
149:
Seiko Watch Corp., a subsidiary of Seiko Group Corp., markets SEIKO watches while its subsidiaries
Morioka Seiko Instruments, Tono Seiki, Ninohe Tokei Kogyo and foreign subsidiaries manufacture their mechanical and quartz movements. Seiko Watch delegates the manufacture of some of its high-end quartz
128:
In 2020, Seiko
Instruments transferred its watch business (including its luxury mechanical watch studio, Morioka Seiko Instruments) to Seiko Watch Corp. and no longer produces SEIKO watches while it supplies watch parts such as quartz crystal resonators and micro batteries to the watch productions.
157:
Time Module (TMI), a member of the Seiko Group, was established in 1987 with funding from Seiko Watch
Company, Seiko Instruments Inc., and Seiko Epson Corp. to manufacture watch movements.
1720:
27:
94:
and its subsidiaries and affiliates. Although Epson still manufactures wristwatches for the Seiko Group, Epson and its subsidiaries are not considered part of the group.
1781:
832:
1715:
213:
193:
Seiko
Precision Inc. (electronic/micromechatronics devices, printers, information equipment, system clocks and production equipment, etc.)
825:
1705:
125:
As of
October 1, 2009, Seiko Instruments (SII) was merged into Seiko Holdings and became a wholly-owned subsidiary of Seiko Holdings.
132:
On
October 1, 2022, Seiko Holdings Corporation renamed Seiko Group Corporation. Currently, the original K.Hattori & Co., Ltd. (
1744:
818:
1776:
1766:
464:
1771:
1482:
516:
460:
841:
1604:
1529:
1018:
425:
142:
Corporation" and holds the Seiko companies including Seiko Watch, Seiko Time
Creation, Seiko Instruments,
154:
watches (Seiko Astron, Grand Seiko, Credor, etc) to the
Wearable Products Operations Division of Epson.
86:). The three companies were linked by a common thread of timepiece technology. In the present day, the
1251:
1139:
30:
Seiko, SII and Epson logos. Three companies share "Seiko" in their official names but have different
733:
403:[Announcement of Change in Trade Name and Partial Amendment to Articles of Incorporation]
1391:
1273:
400:
20:
1310:
1050:
904:
1725:
1330:
1231:
1117:
209:
119:
118:
In June 2003, Seiko Epson became public following their listing on the 1st section of the
8:
1426:
1406:
1374:
1359:
1315:
1226:
1209:
1132:
1112:
1045:
973:
634:
509:
380:
1599:
1401:
1364:
1040:
909:
882:
31:
1655:
1609:
1554:
1487:
1472:
1465:
1280:
1092:
1087:
1060:
707:
581:
557:
304:
233:
205:
65:
1675:
1619:
1549:
1514:
1416:
1352:
1295:
1219:
1072:
867:
687:
367:
1559:
1421:
1411:
1236:
1097:
587:
219:
143:
810:
1786:
1564:
1519:
1443:
1337:
1214:
1164:
899:
789:
629:
502:
479:
1760:
1685:
1594:
1199:
1189:
1102:
1008:
929:
894:
877:
799:
1458:
1305:
759:
692:
655:
639:
624:
619:
574:
569:
339:
300:
241:
151:
484:
1584:
1534:
1502:
1300:
993:
697:
178:
Seiko Clock Inc. (development, manufacturing, sales and repair of clocks)
26:
19:
This article is about the
Japanese corporate group. For other uses, see
1122:
939:
914:
777:
754:
702:
237:
1614:
1342:
1241:
966:
407:(Press release) (in Japanese). Seiko Holdings Corporation. 2022-05-10
187:
Seiko
Service Center Co., Ltd. (repair and after service for watches)
113:
103:
190:
Seiko Business Services Inc. (general affairs & human resources)
1721:
Japan Electronics and Information Technology Industries Association
1524:
1477:
1290:
1263:
1169:
1013:
660:
536:
375:
202:
Seiko Optical Products Co., Ltd. (eyeglasses - lenses & frames)
109:
83:
72:
56:
was a Japanese corporate group consisting of three core companies
1670:
1650:
1574:
1369:
1179:
1154:
1144:
1055:
1025:
949:
889:
1680:
1665:
1660:
1579:
1569:
1539:
1384:
1258:
1194:
1184:
1159:
1149:
1082:
1077:
1065:
1035:
1003:
988:
956:
934:
924:
872:
723:
494:
1624:
1589:
1507:
1453:
1448:
1379:
1347:
1325:
1320:
1285:
1268:
1204:
1030:
998:
961:
944:
919:
738:
728:
564:
552:
296:
170:
166:
91:
80:
76:
69:
61:
57:
449:
1710:
1645:
1640:
1492:
1431:
1396:
1174:
1107:
983:
978:
862:
181:
Seiko Sports Life Co., Ltd. (golf clubs, stopwatches, etc.)
1544:
1497:
1246:
1127:
489:
357:
1716:
Japan Electronic Industries Development Association
840:
1758:
90:is recognized as a corporate group composed of
49:
1782:Multinational companies headquartered in Japan
133:
43:
826:
510:
240:of Seiko Group Corporation, headquartered in
184:Seiko Time Systems Inc. (system clocks, etc.)
208:(specialty optical glass; Seiko owns 32.2%
175:Seiko Watch Corporation (marketing watches)
75:, Seiko Instruments & Electronics) and
833:
819:
596:
517:
503:
426:"Seiko Factory Visit - Trip Report Part 1"
324:Epson Software Development Laboratory Inc.
225:Cronos Inc. (upscale specialty retailer)
25:
1759:
196:Seiko NPC Corporation (semiconductors)
64:K. Hattori & Co., Hattori Seiko),
814:
498:
333:Seiko Lens Service Center Corporation
795:
454:
330:Seiko Epson Contact Lens Corporation
465:Hong Kong Trade Development Council
13:
443:
14:
1798:
1706:Electronic Industries Association
1483:Shindengen Electric Manufacturing
473:
336:Epson Imaging Devices Corporation
279:Seiko I Techno Research Co., Ltd.
199:Seiko Jewelry Co., Ltd. (jewelry)
1739:
1738:
794:
785:
784:
360:
524:
418:
393:
327:Yasu Semiconductor Corporation
309:Epson Sales, Japan Corporation
288:SII Crystal Technologies, Ltd.
255:SII Mobile Communications Inc.
249:Morioka Seiko Instruments Inc.
1:
842:Electronics industry in Japan
386:
222:(upscale specialty retailer)
160:
7:
353:
50:
32:corporate visual identities
10:
1803:
1777:Defense companies of Japan
1767:Holding companies of Japan
480:Seiko Holdings Corporation
312:Miyazaki Epson Corporation
299:(Epson), headquartered in
169:(Seiko), headquartered in
107:
101:
97:
18:
1772:Watchmaking conglomerates
1734:
1698:
1633:
855:
848:
772:
747:
716:
680:
673:
648:
612:
605:
594:
545:
532:
450:Time Module (TMI) website
401:"商号の変更および定款の一部変更に関するお知らせ"
318:Epson Service Corporation
134:
44:
661:Seiko Sports Association
315:Epson Direct Corporation
282:Seiko EG&G Co., Ltd.
270:SII Micro Precision Inc.
252:SII Network Systems Inc.
16:Japanese corporate group
1274:Nidec Copal Corporation
565:Seiko Epson Corporation
553:Seiko Group Corporation
490:Seiko Epson Corporation
321:Epson Atmix Corporation
297:Seiko Epson Corporation
246:SII NanoTechnology Inc.
167:Seiko Group Corporation
92:Seiko Group Corporation
640:Spring Drive mechanism
575:Orient Watch Co., Ltd.
558:Seiko Instruments Inc.
485:Seiko Instruments Inc.
285:City Service Co., Ltd.
258:SII Data Service Corp.
234:Seiko Instruments Inc.
66:Seiko Instruments Inc.
35:
21:Seiko (disambiguation)
1252:Mobile Communications
776:† Joint venture with
276:Seiko I Infotech Inc.
273:Epolead Services Inc.
29:
1331:Integra Home Theater
1232:Murata Manufacturing
267:SII Micro Parts Ltd.
264:SII Microtechno Inc.
120:Tokyo Stock Exchange
114:Epson § History
104:Seiko § History
58:Seiko Holdings Corp.
1375:Renesas Electronics
1227:Mitsubishi Electric
1210:Micron Memory Japan
1046:Hamamatsu Photonics
1019:Business Innovation
381:Astron (wristwatch)
734:Micro flying robot
36:
1754:
1753:
1694:
1693:
1530:Sumitomo Electric
1466:Seiko Instruments
1281:Nihon Dempa Kogyo
1093:Ikegami Tsushinki
808:
807:
768:
767:
669:
668:
582:Ohara Corporation
1794:
1742:
1741:
1726:Yagi–Uda antenna
1515:Stanley Electric
1417:Sanwa Electronic
1296:Nippon Chemi-Con
868:Alaxala Networks
853:
852:
835:
828:
821:
812:
811:
798:
797:
788:
787:
681:Computer systems
678:
677:
610:
609:
600:
599:
519:
512:
505:
496:
495:
467:
458:
452:
447:
441:
440:
438:
437:
430:Fratello Watches
422:
416:
415:
413:
412:
406:
397:
370:
368:Companies portal
365:
364:
363:
261:SII Printek Inc.
137:
136:
77:Seiko Epson Corp
55:
53:
47:
46:
1802:
1801:
1797:
1796:
1795:
1793:
1792:
1791:
1757:
1756:
1755:
1750:
1730:
1690:
1629:
1560:TOA Corporation
1051:Hirose Electric
844:
839:
809:
804:
764:
743:
712:
665:
644:
601:
597:
592:
546:Major divisions
541:
528:
523:
476:
471:
470:
459:
455:
448:
444:
435:
433:
424:
423:
419:
410:
408:
404:
399:
398:
394:
389:
366:
361:
359:
356:
163:
116:
106:
100:
41:
24:
17:
12:
11:
5:
1800:
1790:
1789:
1784:
1779:
1774:
1769:
1752:
1751:
1749:
1748:
1735:
1732:
1731:
1729:
1728:
1723:
1718:
1713:
1708:
1702:
1700:
1696:
1695:
1692:
1691:
1689:
1688:
1683:
1678:
1673:
1668:
1663:
1658:
1653:
1648:
1643:
1637:
1635:
1631:
1630:
1628:
1627:
1622:
1617:
1612:
1607:
1602:
1597:
1592:
1587:
1582:
1577:
1572:
1567:
1565:Tokyo Electron
1562:
1557:
1552:
1547:
1542:
1537:
1532:
1527:
1522:
1520:Star Micronics
1517:
1512:
1511:
1510:
1500:
1495:
1490:
1485:
1480:
1475:
1470:
1469:
1468:
1463:
1462:
1461:
1451:
1446:
1436:
1435:
1434:
1424:
1419:
1414:
1409:
1404:
1399:
1394:
1389:
1388:
1387:
1377:
1372:
1367:
1362:
1357:
1356:
1355:
1350:
1340:
1338:Orion Electric
1335:
1334:
1333:
1323:
1318:
1313:
1308:
1303:
1298:
1293:
1288:
1283:
1278:
1277:
1276:
1266:
1261:
1256:
1255:
1254:
1244:
1239:
1234:
1229:
1224:
1223:
1222:
1215:MinebeaMitsumi
1212:
1207:
1202:
1197:
1192:
1187:
1182:
1177:
1172:
1167:
1165:Konica Minolta
1162:
1157:
1152:
1147:
1142:
1137:
1136:
1135:
1130:
1120:
1115:
1110:
1105:
1100:
1095:
1090:
1085:
1080:
1075:
1070:
1069:
1068:
1063:
1053:
1048:
1043:
1038:
1033:
1028:
1023:
1022:
1021:
1011:
1006:
1001:
996:
991:
986:
981:
976:
971:
970:
969:
959:
954:
953:
952:
947:
937:
932:
927:
922:
917:
912:
907:
902:
900:Audio-Technica
897:
892:
887:
886:
885:
875:
870:
865:
859:
857:
850:
846:
845:
838:
837:
830:
823:
815:
806:
805:
803:
802:
792:
781:
780:
773:
770:
769:
766:
765:
763:
762:
757:
751:
749:
745:
744:
742:
741:
736:
731:
726:
720:
718:
714:
713:
711:
710:
705:
700:
695:
690:
684:
682:
675:
671:
670:
667:
666:
664:
663:
658:
652:
650:
646:
645:
643:
642:
637:
632:
627:
622:
616:
614:
607:
603:
602:
595:
593:
591:
590:
588:Wako Co., Ltd.
585:
579:
578:
577:
572:
562:
561:
560:
549:
547:
543:
542:
540:
539:
533:
530:
529:
522:
521:
514:
507:
499:
493:
492:
487:
482:
475:
474:External links
472:
469:
468:
461:"Profile: TMI"
453:
442:
417:
391:
390:
388:
385:
384:
383:
378:
372:
371:
355:
352:
351:
350:
349:
348:
345:
342:
337:
334:
331:
328:
325:
322:
319:
316:
313:
310:
294:
293:
292:
289:
286:
283:
280:
277:
274:
271:
268:
265:
262:
259:
256:
253:
250:
247:
231:
230:
229:
226:
223:
220:Wako Co., Ltd.
217:
203:
200:
197:
194:
191:
188:
185:
182:
179:
176:
162:
159:
102:Main article:
99:
96:
73:Daini Seikosha
15:
9:
6:
4:
3:
2:
1799:
1788:
1785:
1783:
1780:
1778:
1775:
1773:
1770:
1768:
1765:
1764:
1762:
1747:
1746:
1737:
1736:
1733:
1727:
1724:
1722:
1719:
1717:
1714:
1712:
1709:
1707:
1704:
1703:
1701:
1697:
1687:
1686:Okaya Optical
1684:
1682:
1679:
1677:
1674:
1672:
1669:
1667:
1664:
1662:
1659:
1657:
1654:
1652:
1649:
1647:
1644:
1642:
1639:
1638:
1636:
1632:
1626:
1623:
1621:
1618:
1616:
1613:
1611:
1608:
1606:
1603:
1601:
1598:
1596:
1593:
1591:
1588:
1586:
1583:
1581:
1578:
1576:
1573:
1571:
1568:
1566:
1563:
1561:
1558:
1556:
1553:
1551:
1548:
1546:
1543:
1541:
1538:
1536:
1533:
1531:
1528:
1526:
1523:
1521:
1518:
1516:
1513:
1509:
1506:
1505:
1504:
1501:
1499:
1496:
1494:
1491:
1489:
1486:
1484:
1481:
1479:
1476:
1474:
1471:
1467:
1464:
1460:
1457:
1456:
1455:
1452:
1450:
1447:
1445:
1442:
1441:
1440:
1437:
1433:
1430:
1429:
1428:
1425:
1423:
1420:
1418:
1415:
1413:
1410:
1408:
1405:
1403:
1400:
1398:
1395:
1393:
1390:
1386:
1383:
1382:
1381:
1378:
1376:
1373:
1371:
1368:
1366:
1363:
1361:
1358:
1354:
1351:
1349:
1346:
1345:
1344:
1341:
1339:
1336:
1332:
1329:
1328:
1327:
1324:
1322:
1319:
1317:
1314:
1312:
1309:
1307:
1304:
1302:
1299:
1297:
1294:
1292:
1289:
1287:
1284:
1282:
1279:
1275:
1272:
1271:
1270:
1267:
1265:
1262:
1260:
1257:
1253:
1250:
1249:
1248:
1245:
1243:
1240:
1238:
1235:
1233:
1230:
1228:
1225:
1221:
1218:
1217:
1216:
1213:
1211:
1208:
1206:
1203:
1201:
1198:
1196:
1193:
1191:
1190:Mabuchi Motor
1188:
1186:
1183:
1181:
1178:
1176:
1173:
1171:
1168:
1166:
1163:
1161:
1158:
1156:
1153:
1151:
1148:
1146:
1143:
1141:
1138:
1134:
1131:
1129:
1126:
1125:
1124:
1121:
1119:
1116:
1114:
1111:
1109:
1106:
1104:
1103:Japan Display
1101:
1099:
1096:
1094:
1091:
1089:
1086:
1084:
1081:
1079:
1076:
1074:
1071:
1067:
1064:
1062:
1059:
1058:
1057:
1054:
1052:
1049:
1047:
1044:
1042:
1039:
1037:
1034:
1032:
1029:
1027:
1024:
1020:
1017:
1016:
1015:
1012:
1010:
1009:Fuji Electric
1007:
1005:
1002:
1000:
997:
995:
992:
990:
987:
985:
982:
980:
977:
975:
972:
968:
965:
964:
963:
960:
958:
955:
951:
948:
946:
943:
942:
941:
938:
936:
933:
931:
930:Citizen Watch
928:
926:
923:
921:
918:
916:
913:
911:
908:
906:
903:
901:
898:
896:
893:
891:
888:
884:
881:
880:
879:
876:
874:
871:
869:
866:
864:
861:
860:
858:
854:
851:
847:
843:
836:
831:
829:
824:
822:
817:
816:
813:
801:
793:
791:
783:
782:
779:
775:
774:
771:
761:
758:
756:
753:
752:
750:
746:
740:
737:
735:
732:
730:
727:
725:
722:
721:
719:
715:
709:
706:
704:
701:
699:
696:
694:
691:
689:
686:
685:
683:
679:
676:
672:
662:
659:
657:
654:
653:
651:
647:
641:
638:
636:
633:
631:
628:
626:
623:
621:
618:
617:
615:
611:
608:
604:
589:
586:
583:
580:
576:
573:
571:
568:
567:
566:
563:
559:
556:
555:
554:
551:
550:
548:
544:
538:
535:
534:
531:
527:
520:
515:
513:
508:
506:
501:
500:
497:
491:
488:
486:
483:
481:
478:
477:
466:
462:
457:
451:
446:
431:
427:
421:
402:
396:
392:
382:
379:
377:
374:
373:
369:
358:
346:
343:
341:
338:
335:
332:
329:
326:
323:
320:
317:
314:
311:
308:
307:
306:
302:
298:
295:
290:
287:
284:
281:
278:
275:
272:
269:
266:
263:
260:
257:
254:
251:
248:
245:
244:
243:
239:
235:
232:
227:
224:
221:
218:
215:
211:
207:
204:
201:
198:
195:
192:
189:
186:
183:
180:
177:
174:
173:
172:
168:
165:
164:
158:
155:
153:
147:
145:
141:
138:) is called "
130:
126:
123:
121:
115:
111:
105:
95:
93:
89:
85:
84:Suwa Seikosha
82:
78:
74:
71:
67:
63:
59:
52:
40:
33:
28:
22:
1743:
1459:Orient Watch
1438:
1306:NKK Switches
905:Bandai Namco
760:Orient Watch
717:Technologies
674:Epson assets
625:Jean Lassale
606:Seiko assets
570:Epson Robots
525:
456:
445:
434:. Retrieved
432:. 2015-11-06
429:
420:
409:. Retrieved
395:
340:Orient Watch
156:
152:spring drive
148:
139:
131:
127:
124:
117:
87:
51:Seikō Gurūpu
38:
37:
1535:Taiyo Yuden
1503:Square Enix
1439:Seiko Group
1392:Riso Kagaku
1301:Nitto Denko
994:ESP Guitars
708:PX-8 Geneva
526:Seiko Group
344:Trume Watch
140:Seiko Group
88:Seiko Group
39:Seiko Group
1761:Categories
1427:Sega Sammy
1123:JVCKenwood
778:Canon Inc.
688:ActionNote
436:2021-01-14
411:2022-05-11
387:References
238:subsidiary
206:Ohara Inc.
144:Ginza Wako
108:See also:
1615:Zojirushi
1343:Panasonic
1242:Nakamichi
967:Denso Ten
940:D+M Group
849:Companies
236:(SII), a
161:Companies
45:セイコー・グループ
1745:Category
1676:National
1610:Yokogawa
1478:Shimadzu
1353:Technics
1291:Nintendo
1264:Nichicon
1170:KO PROPO
1118:JR Propo
1014:Fujifilm
790:Category
537:Seikosha
376:Seikosha
354:See also
110:Seikosha
79:(Epson;
60:(Seiko;
1671:Minolta
1651:Bronica
1634:Defunct
1605:Yaskawa
1575:Toshiba
1407:Rubycon
1370:Plextor
1360:Pioneer
1316:Olympus
1220:Mitsumi
1180:Kyocera
1155:Kiramek
1145:Keyence
1133:Kenwood
1061:Clarion
1056:Hitachi
1026:Fujitsu
950:Marantz
910:Brother
890:Anritsu
856:Current
800:Commons
613:Watches
146:, etc.
98:History
1681:Norita
1666:Konica
1661:Contax
1656:Chinon
1600:Yamaha
1580:Uniden
1570:Topcon
1540:Tamron
1444:Pulsar
1422:SCREEN
1412:Sansui
1402:Roland
1385:Pentax
1365:Pixela
1259:Nichia
1200:Maspro
1195:Mamiya
1185:Luxman
1160:Konami
1150:Kioxia
1098:Iwatsu
1083:Ibiden
1078:Ibanez
1066:Maxell
1041:Futaba
1036:Furuno
1004:Fostex
989:Elecom
957:Daikin
935:Cosina
925:CatEye
883:Alpine
873:Alinco
724:EP-101
693:Equity
656:DS-250
635:Astron
630:Pulsar
305:Nagano
68:(SII;
1787:Seiko
1699:Other
1625:Zuken
1595:Yaesu
1590:Wacom
1585:Ushio
1555:Tiger
1508:Taito
1488:Sigma
1473:Sharp
1454:Epson
1449:Seiko
1380:Ricoh
1348:Sanyo
1326:Onkyo
1321:Omron
1286:Nikon
1269:Nidec
1237:Mutoh
1205:Melco
1140:Kawai
1031:Funai
999:FANUC
962:Denso
945:Denon
920:Casio
915:Canon
748:Other
739:S1C6x
729:ESC/P
698:HX-20
649:Other
405:(PDF)
242:Chiba
171:Tokyo
135:服部時計店
81:f/k/a
70:f/k/a
62:f/k/a
1711:INCJ
1646:Akai
1641:Aiwa
1620:Zoom
1550:TEAC
1525:Stax
1493:Sony
1432:Sega
1397:Rohm
1175:Korg
1108:JEOL
1088:Icom
1073:Hoya
984:Eizo
979:Eiki
878:Alps
863:Aiwa
755:R-D1
703:PX-4
620:Alba
347:etc.
301:Suwa
291:etc.
228:etc.
214:5218
150:and
112:and
1545:TDK
1498:SNK
1311:Oki
1247:NEC
1128:JVC
1113:JRC
974:DNP
895:AOR
210:TYO
1763::
463:,
428:.
303:,
212::
48:,
834:e
827:t
820:v
584:†
518:e
511:t
504:v
439:.
414:.
216:)
54:)
42:(
34:.
23:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
