3D Print Your Own Seiko-Style “Magic Lever” Energy Harvester
Originally published on hackaday.com by Donald Papp on 9 August 2023 In 1956, Seiko introduced the “magic lever” a pivotal element in self-winding mechanical watches that harnessed mechanical energy. The magic lever, resembling a ratcheting mechanism, enabled the main gear to move only in a single direction. Robert Murray-Smith delves