The Seiko 5 Actus line of watches represents a blend of style, durability, and precision, embodying the spirit of Seiko's commitment to quality craftsmanship. Launched in the 1970s, this collection is celebrated for its robust automatic movements, distinctive designs, and reliable performance. They were a subset of the Seiko 5 line, intended to appeal to more design conscious buyers, so often featured hints of special finishing or features.

The design idea for the watch came from watching the Ne Zha movie, which follows a legendary Chinese figure who is often depicted as a child or teen, who possesses great power. The story retold in the hugely successful film explores the ideas of balance, family, integrity and friendship.