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Otsuka Lotec

No.9

No.9

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.

Otsuka Lotec No.9 regulator-style watch
The No.9 brings a clear graphic hierarchy to Otsuka Lotec’s mechanical vocabulary. Otsuka Lotec ↗

Price not confirmed

Check the exact reference, current availability, shipping and taxes with the source. Chronolume does not sell this watch.

Specifications

Published specifications for No.9
VariantNo.9

Omitted specifications have not been confirmed. From published article 2026-10-23. Original source ↗

Read the stories

Jiro Katayama: the industrial designer who taught machines to tell time ↗

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