Doxa Releases New Grade 5 Titanium SUB 300 Ti5
The watchmaker updates its iconic 1967 silhouette with a lightweight titanium construction and multiple dial color options.
Updated on Oct. 29, 2026 in Swimming
Live Poll
Do you prefer watches crafted from traditional steel or modern, lighter titanium materials?
Doxa has unveiled the SUB 300 Ti5, a new timepiece crafted from Grade 5 titanium. This model retains the classic silhouette while offering increased corrosion resistance and a reduced weight compared to previous steel versions.
Why it matters
The shift to Grade 5 titanium addresses the need for high-performance materials in professional diving equipment. By utilizing this alloy, Doxa aims to improve user comfort during long-term wear while maintaining the durability required for underwater environments.
The watch features a 42.5mm diameter and 13.4mm thickness, delivering 300 metres of water resistance. The automatic Sellita SW200-1 movement operates at 4Hz, with retail prices set at CHF 2,750 or CHF 2,850 for the Whitepearl edition.
The players
Doxa
Doxa is a Swiss watchmaking company historically recognized for its development of professional diving timepieces.
Sellita
Sellita is a Swiss manufacturer of mechanical watch movements that supplies components to various watch brands.
The details
The watch features a unidirectional bezel with a dual scale for depth and dive time, powered by a COSC-certified automatic movement. It is available in five distinct dial colors, including Orange Professional and a fully luminous Whitepearl option.
Timeline
The original design of the SUB silhouette dates back to 1967.
Roadmap
The introduction of the SUB 300 Ti5 highlights a broader trend in the horological industry toward adopting lightweight alloys like Grade 5 titanium. This evolution positions Doxa to compete with luxury brands prioritizing technical performance and material innovation in their dive watch catalogs.
Collectors and professional divers can expect a notable weight reduction on the wrist compared to stainless steel counterparts. Buyers should note that the Whitepearl variant carries a price premium due to its specific luminous dial treatment.
The takeaway
The use of titanium in this release makes the watch significantly lighter and more resistant to saltwater corrosion. Enthusiasts should consider the benefit of titanium durability against the higher cost when choosing between the different colorways.
Further reading
Learn more about the latest innovations in gear within the Swimming section.
Source note: This article includes information reported by Europastar.
Live Poll
Do you prefer watches crafted from traditional steel or modern, lighter titanium materials?
