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Seiko Movements: Mechanical vs. Battery-powered – A Technician's Opinion

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As a watchmaker , I’m regularly questioned the differences between Miyota’s mechanical and battery-powered movements. Typically , self-winding Miyotas are considered for their durability and somewhat https://philiptirc605631.wikifordummies.com/9512070/seiko_movements_automatic_vs_quartz_a_technician_s_perspective

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