Ralf Tech
WRX Electric Space Millenium CNES - Full-set

RALF TECH WRX Electric Space Millenium x CNES, ref. WRX 4102, grade 1 titanium, 2024, full set, near-new condition

“Between the abyss and the stars, time does not change its nature. It changes its horizon.”

There are watches that are born to answer a function. And then there are those which, without denying their original function, end up opening a new frontier. This RALF TECH WRX Electric Space Millenium belongs to that second family. Its 47.5 mm raw titanium case, its unidirectional bezel, its 1,000-metre water resistance and its tool-watch architecture still tie it to the world of diving and action. But here, the gaze leaves pure depth to rise toward the void, toward altitude, toward that rare dialogue between the ocean and space that RALF TECH built with CNES in 2024. The Space Millenium is not a cosmetic fantasy. It is a WRX that has shifted its imagination without losing its backbone. 

On the wrist, it gives off a very particular sensation. It is not the demonstrative heaviness of a watch designed to impress. It is something else. A dense, calm, sovereign presence. Grade 1 titanium lightens without weakening. The raw finish absorbs light instead of flattering it. The black composite dial with honeycomb structure seems to have been drawn like a technical surface, closer to a mission instrument than to a decorative dial. The 316L steel hands with black PVD treatment, filled with Super‑LumiNova C5, move through this dark depth with an almost military sharpness. One does not simply read the time: one feels that everything has been thought out so that no doubt remains. 

The beauty of this watch also lies in its story. RALF TECH, a company founded by Frank Huyghe, comes from the real world, from professional equipment, constrained environments, special forces, committed diving. CNES, for its part, embodies another edge of the extreme, that of flights, tests, programmes and mission engineering. When the two houses meet, the Space Millenium becomes a French bridge between two infinities. CNES indeed presented it as a watch designed for space conditions and the needs of astronauts, with availability announced from 20 June 2024. In that continuation, Thomas Pesquet was seen wearing the Space Millenium, which is enough to give this limited series a very particular resonance. For each watch sold new, 100 euros were moreover to be donated to the Fondation Ailes de France in order to support projects by students heading toward the space sector. 

Within the RALF TECH range, the Space Millenium occupies a pivotal place, almost a historical one. The WRX line was born at the end of the 2000s, conceived as the house’s first true tool watch and developed with the help of the French Navy’s Commando Hubert combat swimmers, before becoming a reference among elite units. The transition to the Electric generation took place between the end of 2020 and March 2021, with the appearance of the RTE001 micro-hybrid calibre, sandwich dials and the exclusive encapsulation system. The Space Millenium then arrived in 2024 as the symbolic culmination of that evolution: it keeps the WRX case, its tool DNA, but gives it a new narrative and technical reach through the partnership with CNES. After it would come the Galaxy Millenium in 2025, which pushes the cosmic reading of the dial even further. The Space Millenium therefore remains the first of that space cycle, the one of the shift, the one of the first step. 

At the heart of this watch beats the RTE001 Long Range calibre, presented by RALF TECH as an Electric Micro Hybrid movement, developed in Switzerland exclusively for the brand. And this is where one has to be very precise, because this watch cannot be read like a traditional automatic. The brand states an autonomy of up to 100,000 hours, or nearly 12 years, which replaces the classic notion of power reserve after full winding. In the same way, the official technical documentation gives neither a jewel count nor a beat rate per hour for this movement. This is consistent with its micro-hybrid nature, derived from a mecaquartz base and designed above all to combine precision, energy efficiency and very long autonomy, where the beat rate of a mechanical balance is no longer the central parameter. In other words, the Space Millenium does not try to imitate the nobility of a mechanical movement; it claims another logic, more instrumental, more mission-oriented, more contemporary. 

The rest of the technical data confirms this overall impression. The case is in grade 1 titanium (T35) with a raw finish. The domed sapphire crystal with anti-reflective coating shows a remarkable thickness of 5.9 mm. The bezel is unidirectional rotating with 120 clicks, in keeping with the spirit of the ISO 6425 standard, with a matte black Ceramfine insert and luminous marker. The crown is screwed down and protected. The case back carries the brand’s exclusive encapsulation system as well as the engraving of the individual series number. The main strap is a CNES ballistic nylon, accompanied by a second black silicone strap. The whole is delivered in a polycarbonate Explorer Case and the watch is stated as Made in France. Even when it speaks of space, the Space Millenium never leaves the concrete world of equipment. 

What strikes most, however, is not the sum of the specifications. It is the coherence. Most so-called space watches try to seduce through symbolism. This one starts from the opposite base: use. It comes from the field, from salt, from the void, from the need for legibility, from the refusal of fragility. That is what gives it this singular presence. It can accompany an active life, a wrist used to watches with character, a lover of French pieces who wants something other than stories already told a thousand times. It has the authority of a tool watch and the poetry of an object that links two human frontiers, the abyss and orbit. 

This 2024 example is offered full set, with its original elements, in near-new condition. It is precisely the kind of watch that gains even more strength when it is preserved like this: complete, coherent, legible in its history, ready to be worn immediately without losing anything of its original intention.

And then there is the essential question, that of the place where one chooses to buy it. A RALF TECH like this one can only really be understood through a player capable of respecting its language. At Mostra, that connection is now particularly strong: since 2025, the Aix-en-Provence workshop has officially been recognised as a RALF TECH Certified Technical Centre for pre-owned watches, with the same methods, the same controls, the same requirements for diagnosis, original parts, water-resistance protocols and final checks as the brand itself. That changes everything for an Electric WRX, precisely because its encapsulation system and technical logic require real follow-up expertise. 

Choosing Mostra for this Space Millenium also means entering a broader framework. Mostra brings together one of the fine collections of pre-owned watches in the south of France, with a dedicated RALF TECH selection, an integrated workshop, more than 40 years of experience, verified 5-star Google reviews, a house regularly cited by the professional press, and above all a 3-year Mostra warranty, rare on the pre-owned market. Added to that, for the RALF TECH watches sold by Mostra, is priority after-sales service and a level of product understanding that goes beyond simple trade. Here, one does not merely buy a watch. One places it within a technical and horological continuity. That is exactly what a Space Millenium deserves.