Watch news. A clearer perspective.Follow on X
← Watch Explorer

Otsuka Lotec

No. 6

No. 6

Jiro Katayama treats a watch as a small machine to be constructed in three dimensions. His Otsuka Lotec No. 6 reveals how mechanisms, shadows and exposed assembly can become a coherent design language.

Angled view of the Otsuka Lotec No. 6 showing its layered case construction
An angled view reveals how the fan-shaped crystal, bezel and recessed indicators create depth through shadow. 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. 6
VariantNo. 6

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

Read the stories

Designing with shadows: inside Otsuka Lotec’s mechanical architecture ↗

Explore watches under €1,000 ↗