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The story of the is a nearly 30-year journey of obsession led by a single engineer, Yoshikazu Akahane. It represents a "third engine" in watchmaking that bridges the gap between traditional mechanical artistry and modern electronic precision. 1. The Visionary: Yoshikazu Akahane

Unlike mechanical watches that use a ticking "escapement," the Spring Drive uses a . What is Seiko Spring Drive? | WATCH EDUCATION

: In 1997 , a new low-power integrated circuit (the SOI-IC) finally allowed the watch to consume less power than it produced.