However, their Chinese subsidiaries are also called "精工“, which is identical to the watch company. Their history page says it was renamed from 正興 to Seiko Advan

However, their Chinese subsidiaries are also called "精工“, which is identical to the watch company. Their history page says it was renamed from 正興 to Seiko Advance in 1950. http://www.seikoadvance.co.jp/en/company/profile.php http://www.seikoadvance.co.jp/en/company/profile.php http://www.seikoadvance.co.jp/cn/company/profile.php http://www.seikoadvance.co.jp/cn/company/profile.php