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He called his theory "". To explain it, he used the analogy of a bicycle coasting down a hill: gravity provides the energy (like a mainspring), but a pacemaker sets the speed, and the rider uses brakes to stay in sync. 2. A 28-Year Struggle (1977–2005)

: Akahane presented the technology at Baselworld in 1998, but he passed away later that year at age 52, never seeing the first commercial release in December 1999. 3. How It Works: The Tri-Synchro Regulator buy seiko spring drive

Making this "braking" system work without a battery was thought to be impossible. He called his theory ""