Ralf Tech
WRB Automatique Original Metal Black Dial - Full-Set Stainless Steel

RALF TECH WRB Automatic “Original Metal” reference WRB-1206, limited edition of 100 pieces, 39 mm satin-finished 316L surgical-steel case, 95% matte-black no-date dial, steel hands and Super-LumiNova C5 hour markers, 120-click unidirectional rotating bezel compliant with ISO 6425, black anodised aluminium insert with luminous triangular marker, screw-down crown, 2.5 mm domed anti-reflective sapphire crystal, numbered screw-down caseback, 22 mm lug width, 200-metre water resistance, RALF TECH calibre RTA003 self-winding mechanical movement operating at 21,600 vibrations per hour, approximately 40-hour power reserve after full winding, 24 jewels, original Heavy Duty steel bracelet with Easy Lock folding clasp, second original black silicone strap and complementary black leather strap, polycarbonate Explorer case and documents, watch made in France, offered as a 2026 Full Set in near-mint pre-owned condition, fully inspected, authenticated and covered by a 3-year Mostra warranty.  

“Some first watches simply mark a purchase. Others become the witness to a transition, a graduation, a first job or a birthday, then preserve on the wrist the memory of the person one was when receiving them.”

The RALF TECH WRB Automatic Original Metal WRB-1206 belongs to that second family. It combines the strength of a genuine dive watch, the simplicity of a no-date three-hand display and 39 mm proportions balanced enough to accompany a young man for many years. It does not require a special occasion in order to be worn. It is made to enter real life immediately, following study, first journeys, sport, work and those days whose plans change before they have truly begun.

The 39 mm steel case is one of its principal advantages. It provides the wrist presence expected from a professional watch without imposing the bulk of a larger diver. These proportions suit many wrist sizes, slip more easily beneath a cuff and allow the WRB to move from denim to a shirt, from a weekend beside the water to a first professional appointment. For a first valuable watch, this versatility is essential: it avoids giving a spectacular but excessively specialised piece that eventually remains inside its case.

The matte-black no-date dial concentrates the spirit of the model. It absorbs reflections, allows the luminous hands and markers to stand out clearly and remains immediately readable as light fades. The absence of a calendar preserves symmetry and simplifies setting. After several days without wear, the watch can be reset within seconds without checking the date or month. This restraint also gives it aesthetic maturity: it does not multiply signs, depend upon fashion or risk becoming visually tiring over time.

The 120-click unidirectional bezel brings the simple mechanical gesture immediately associated with a genuine diver. It measures dive time, a sporting interval, cooking, a stage of a journey or the remaining time before an appointment. Its unidirectional operation prevents accidental movement from suggesting that a diver has more time underwater. The domed sapphire crystal protects the dial, the screw-down crown secures the case and the 200-metre water resistance allows sea, pool, rain and outdoor activity to be approached with confidence unavailable from a conventional dress watch.  

The Original Metal version is supplied on a Heavy Duty steel bracelet. Its links extend the case, distribute weight and give the watch a more structured presence, sporty enough for water yet clean enough for the city. The Easy Lock clasp secures closure and allows the watch to be worn without concern over accidental opening. The original black silicone strap provides a more flexible configuration, easy to clean and naturally suited to nautical activity. The complementary black leather strap offers a warmer interpretation with a jacket, sweater or more refined clothing. Three straps are more than an extra: they allow the same watch to serve three uses without losing identity.

The automatic RALF TECH RTA003 calibre continues this logic through proven mechanics. It operates at 21,600 vibrations per hour, contains 24 jewels and offers approximately 40 hours of power reserve. Automatic winding uses wrist movement, manual winding quickly restores energy following a stop and hacking seconds enables precise setting. For a first true mechanical watch, this choice makes sense: the movement introduces the pleasure of an automatic without imposing the fragility or servicing cost of an unnecessarily complex calibre.  

The WRB also has legitimacy extending beyond appearance. RALF TECH introduced the family in October 2019 through a version developed for French Army divers before offering it to the public in February 2020. The Maison presents the WRB as its most versatile diver, less imposing than the WRV while preserving its essential functions. This origin does not turn the civilian example into an issued watch; it explains the coherence of its legibility, crown, bezel and proportions.  

RALF TECH’s experience in professional diving brings a practical benefit to the future owner. The Maison does not merely print a theoretical depth on the dial: it explains that its watches are tested by varying immersion time, temperature, salinity and surroundings, with results supplemented by feedback from divers and operators in specialist units. This field culture is visible in a watch designed to remain readable, water-resistant and simple to operate when conditions are less comfortable than they were at the moment of purchase.

Offering this first mechanical watch to a young man therefore carries particular meaning. It is not merely choosing an object more expensive than the previous one. It means giving something that can last, be serviced, preserve the memory of a period and accompany changes in life. The WRB-1206 remains restrained enough not to confine its owner to the style of one age. It can be worn at twenty with a sweatshirt and trainers, then years later with a shirt, jacket or professional clothing without losing its place.

It also provides an intelligent first step into collecting. The limited edition of 100 pieces gives it a clear identity within contemporary RALF TECH production without turning it into an object one becomes afraid to wear. Its black dial, steel bracelet and diving architecture do not tire the eye. Its individual number and Full Set provide the coherence a collector values. It can become the beginning of a collection or remain the one important watch against which later pieces are compared.

The 2026 Full Set strengthens this dimension. The Explorer case, documents, straps and presentation elements preserve the watch within the context intended by the Maison. Its near-mint condition retains the clarity of the brushing, precision of the bezel, luminosity of the dial and freshness of the straps. The future owner therefore receives a recent, complete and immediately available watch, already supported by the reassurance of an inspected pre-owned piece.

This example is offered as a 2026 RALF TECH WRB Automatic Original Metal WRB-1206 Full Set, with its original Heavy Duty steel bracelet, original black silicone strap and complementary black leather strap. The watch has been examined with particular attention given to the movement, crown, bezel, crystal, case, straps, serial number and water resistance.

Choosing a RALF TECH WRB from Mostra brings additional reassurance, especially relevant for a first valuable watch or a gift. Since 2025, the Mostra workshop has been officially recognised as a Certified RALF TECH Technical Centre for pre-owned watches. This WRB benefits from appropriate inspection, a certificate of authenticity, personalised guidance and a 3-year Mostra warranty. The young owner therefore receives not only a watch, but also access to a specialist able to support its use and maintenance over time.  

A piece such as the WRB-1206 is chosen for its accurate proportions, resistance, legibility and genuine versatility. Above all, it is chosen because it can become a milestone gift without remaining frozen inside the ceremony: a watch made to begin a story and continue to be worn when life grows more demanding.