Seiko (in Chines: 精工) is one of the most famous and successful team in Hong Kong football (soccer) history. The team quited Hong Kong First Division League after 1985-86 season, which was one very big news at the time.

SEIKO is a spam filtering agent which can filter out spams or unwanted mails by filtering the content of the whole mail. It uses sevreal methods to implement the functions. It is based on ACE, so it can run on multi-platforms.

Japanese watch company.