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Tag Archives: Seiko Quartz Type II

Seikos in September #18: 1978 Seiko Quartz Type II 7123-7010

On Christmas Day 1969, Seiko launched the Seiko Quartz Astron, the world’s first commercial quartz wristwatch. This innovation changed watchmaking forever by using a battery-powered quartz crystal to keep near-perfect time. Compared to mechanical movements, Seiko quartz movements maintain a high level of accuracy up to within about 15 seconds per month. Aside from accuracy, quartz watches also require low ...

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