New Releases · 2026-09-02

The SUB 300 returns in lightweight Grade 5 titanium

The SUB 300 Ti5 brings Grade 5 titanium to DOXA's classic cushion-shaped diving watch. Its patented decompression-scale bezel, orange minute hand and durable rubber

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By Chronolume digest · Original English summary · Based on DOXA / September 2026 release coverage

DOXA 823.50.351.21, September 2026 release. jp.doxawatches.com ↗

This is a sourced news summary, not a hands-on review. Read the original reporting at DOXA / September 2026 release coverage ↗

What to know

The SUB 300 Ti5 brings Grade 5 titanium to DOXA's classic cushion-shaped diving watch. Its patented decompression-scale bezel, orange minute hand and durable rubber strap retain the brand's unmistakable underwater identity.

The orange-dial SUB 300 Ti5 Professional worn on the wrist. DOXA / official product and press photography ↗

The 42.5-by-45mm titanium case measures 13.4mm thick and resists water to 300 metres. A COSC-certified Swiss automatic calibre supplies roughly 38 hours of power reserve. Announced in September ahead of October deliveries, the Ti5 emphasises material improvement over cosmetic novelty.

An angled product view of the titanium case and orange rubber strap. DOXA / official product and press photography ↗

Source & attribution

DOXA / September 2026 release coverage · Published 2026-09-02 ↗

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