Otsuka Lotec
Otsuka Lotec No 6
Otsuka Lotec No 6
Offered for sale is the Otsuka Lotec No. 6, a striking example of modern independent Japanese watchmaking. Designed and produced by Jiro Katayama, the No. 6 embodies Otsuka Lotec’s signature industrial aesthetic—minimalist, architectural, and unmistakably unconventional.
The watch features a robust stainless steel case with a purposeful, tool-like presence, paired with a clean yet highly distinctive dial layout. True to the brand’s philosophy, the No. 6 prioritizes legibility and mechanical honesty, presenting time in a unique and engaging way that stands apart from traditional Swiss designs.
Inside beats a mechanical movement that reflects Otsuka Lotec’s focus on engineering over ornamentation, delivering reliable performance with a tactile, utilitarian feel. Every detail—from the case construction to the dial execution—speaks to the brand’s roots in industrial design and small-batch craftsmanship.
Rarely seen on the secondary market, the Otsuka Lotec No. 6 comes from a brand whose entire production run across all models since inception is only around 400–500 pieces worldwide. Combined with its Japan-only lottery sales system and genuinely small annual output, Otsuka Lotec remains one of the most exclusive independent Japanese watchmakers today — making this not just a timepiece, but a true collector’s opportunity.
Brand: Otsuka Lotec
Model: No 6
Reference: No 6
Case Material: Steel
Bracelet Type: N/A
Bracelet Material: Leather
Size: 42.6mm
Dial Color: N/A
Bezel Material: Steel
Bezel Type: N/A
Date: N/A
Condition: Pre-owned
Included Items: Watch with original box
Movement: N/A
Crystal: Sapphire crystal
Water Resistance: Up to 30m
