42.5mm titanium case, automatic movement, blue dial, blue rubber strap.
Nearly sixty years after revolutionizing the dive watch in 1967 with the SUB 300 designed for the general public, DOXA builds on that rich legacy with the return of Grade 5 titanium to the permanent collection. The choice of case material is no coincidence. With its exceptional strength-to-weight ratio, mechanical rigidity, remarkable resistance to corrosion and comfort on the wrist, Grade 5 titanium has become a benchmark material in fields where performance leaves no room for compromise: aerospace, motorsport, advanced engineering – and diving equipment. Naturally lighter than steel yet significantly stronger, Grade 5 titanium reduces weight on the wrist, improves comfort over extended periods and stands up remarkably well to even the most demanding marine environments. Its inherent corrosion resistance, excellent biocompatibility and durability make it ideally suited to DOXA’s philosophy of building watches for the long haul, both underwater and in everyday life. With the new SUB 300 Ti5, DOXA reaffirms its commitment to keep evolving one of its most emblematic watches with the highest-performing materials of our time. Lighter, stronger and naturally suited to the most demanding environments, Grade 5 titanium carries forward the pioneering spirit that has driven DOXA since 1967: to create watches that keep pace with the technologies of their time, without ever losing their identity. The permanent collection now comes in seven new expressions: Professional in DOXA Orange, Sharkhunter in black, Caribbean in blue, Red Coral in cherry red and Whitepearl in two distinct versions.
With this new line-up, the SUB 300 moves forward without changing what made it an icon.
Grade 5 titanium is back at DOXA
The return of Grade 5 titanium marks another stage in the evolution of the permanent SUB 300 collection. Used for the case, crown and screw-in caseback, the material combines lightness, strength and corrosion resistance to exceptional effect. Around 40% lighter than stainless steel while offering greater mechanical strength, Grade 5 titanium makes the SUB 300 Ti5 noticeably more comfortable on the wrist — day to day and over prolonged periods of wear. Its hardness makes it highly resistant to mechanical stress, while the metal’s exceptional inertness makes it naturally resistant to seawater, humidity, temperature fluctuations and particularly harsh environments. Grade 5 titanium, however, is demanding to machine. It calls for specific manufacturing processes and specialized expertise. Bringing it back to the permanent collection means taking on that added complexity for a clear purpose: to explore what the material can bring to the SUB 300 without compromising what it has always been — a true dive watch.
REF#823.50.201.32
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