CultureNatsuki LudwigJune 10, 2021WATCH, SMARTWATCH, SEIKO, CASIO, VINTAGE SMARTWATCHES BEFORE THE SMARTWATCH - HOW JAPAN REDEFINED THE WRISTWATCH A detailed look at 5 quirky, feature-rich Japanese digital watches that modern smartwatches owe more than a debt of gratitude to. CultureNatsuki LudwigJune 10, 2021WATCH, SMARTWATCH, SEIKO, CASIO, VINTAGE