Otsuka Lotec
Jiro Katayama designer portrait
Jiro Katayama designer portrait
A designer profile of Otsuka Lotec founder Jiro Katayama, tracing how his background in automotive design, product prototyping and Tokyo’s machine-age landscape shaped one of Japan’s most distinctive independent watch brands.
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| Variant | Jiro Katayama designer portrait |
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Omitted specifications have not been confirmed. From published article 2026-10-23. Original source ↗
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Jiro Katayama: the industrial designer who taught machines to tell time ↗