Ralf Tech
WRB Automatic Diver First Edition - Black Dial

Ralf Tech WRB Automatic First Edition 2025 Full Set, 39 mm Steel Dive Watch 200m, Near Mint Condition

“Beneath the surface, time no longer flows as a sequence of minutes, it becomes a rhythm of breath, a line drawn between depth and light.”

The Ralf Tech WRB Automatic First Edition is not simply a dive watch, it is an instrument designed for real immersion, where clarity, reliability and presence become essential. With its 41 mm stainless steel case, high-legibility black dial and 200-meter water resistance, it embodies a modern professional diving watch built for both underwater use and everyday wear. Along the Mediterranean coast of southern France, between the Calanques of Marseille and the quiet coves of the Riviera, the sea offers a unique playground for diving and snorkeling. In the early hours, the water is almost transparent, revealing rocks, sand and moving shadows beneath the surface. As you move deeper, colors soften, light filters differently, and time itself seems to slow.

In these environments, a watch becomes more than an accessory. It becomes a reference. Worn on the wrist just before entering the water, the WRB establishes a sense of precision. The textured rubber strap adjusts securely, the unidirectional bezel aligns with intention, and the case settles with reassuring weight. Every detail contributes to a feeling of control.Underwater, readability defines everything. The black dial provides a deep, stable background, while large luminous indexes and bold hands stand out instantly. Whether snorkeling near the surface or moving through deeper water, time can be read in a fraction of a second.As light diminishes, the watch reveals its true purpose. The luminous material becomes a guide, clear and constant. There is no hesitation, no interpretation, only direct information.This is the essence of a true professional dive watch.

With the WRB collection, Ralf Tech reinforces its identity as a maker of robust, purpose-driven timepieces. The WRB First Edition follows the codes of modern diving watches, combining technical performance with a clean, functional design.The unidirectional rotating bezel allows precise tracking of immersion time, while its firm action ensures safety and reliability. The 200-meter water resistance confirms its capability for real aquatic use, from surface swimming to recreational diving.

At its core, the automatic movement delivers consistency and durability. With approximately 40 hours of power reserve, it ensures reliable performance both in daily wear and extended use. Automatic winding follows the natural motion of the wrist, reinforcing the idea of a living, continuous mechanism.The 39 mm stainless steel case offers a perfect balance between presence and comfort. Its brushed surfaces enhance durability, while subtle polished elements capture light without excess. The sapphire crystal ensures long-term clarity and resistance.

The black dial, inspired by professional diving instruments, emphasizes contrast and legibility. The design remains pure, focused, and efficient, with no unnecessary distraction.The textured rubber strap provides secure positioning on the wrist, even in wet conditions, ensuring both comfort and stability during active use.This Ralf Tech WRB First Edition is designed for those who engage with the sea, whether through snorkeling, coastal exploration or deeper immersion. It is a watch that adapts naturally to movement, environment and rhythm.This example is offered as a full set, in near mint condition, carefully inspected in our workshop. Produced in 2025, it retains all the qualities of a contemporary watch, ready for immediate use.

A unique recognition at the heart of the Mostra workshop

Since 2025, the Mostra workshop has become the first certified pre-owned Ralf Tech center in the world. This distinction reflects a shared standard of excellence, combining technical expertise, deep understanding of the models, and respect for their intended use. Each Ralf Tech watch offered by Mostra is selected, inspected and prepared with precision, ensuring full reliability and authenticity. Choosing this watch through Mostra means benefiting from over 40 years of horological experience, a carefully curated selection of pre-owned watches, and a strong reputation supported by 5-star Google reviews. Every watch is delivered with a 3-year warranty and personalized guidance, ensuring a confident and lasting acquisition.

Choosing Mostra means choosing more than a watch. It means choosing how that watch will accompany you over time.