Ralf Tech
The Beast Manufacture First Edition - Full-Set Limited Edition 77 Pcs
Imposing and functional format, the TBM 11001 First Edition steel brings together the essentials of a pro diver: long-duration RTM001 automatic caliber, 6 mm domed sapphire, 120-click bezel (ISO 6425), and 3000 m water resistance. Year 2023, full set, limited edition of 77 pieces.
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Diameter47,7 mm
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MovementAutomatic
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CaseSteel
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StrapRubber Strap
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ContentFull-Set
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GenderMan
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Gender for GoogleMan
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WaterproofingWaterproof
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ModelAutomatic
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VersionFull-Set Limited Edition 77 Pcs
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Manufacturer referenceRTM 001
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Certificate of authenticityYes
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Mostra referenceMD25011151
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CaliberRalf Tech RTM 001
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Number of rubies21
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Lug Width (mm)26
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Glass typeSapphire Glass
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DialBlack Mat Dial with indexes SuperLuminova Old Radium Type
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LoopBuckle
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Strap typeOriginal Strap
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Mini Bracelet Length (cm)16
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Maxi Bracelet Length (cm)30
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Strap colorBlack
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SpecificitiesBezel Diamond Shape, 28 800 BPH, Power Reserve 77h, Stop Second
Ralf Tech The Beast Manufacture — Ref. TBM 11001 — First Edition steel — 47,7 mm — Automatic — 2023 — Full set (box & original papers)
In Professional diving, Cool-headedness is measured, You have a Professional instrument for deep immersions.
At dawn, the deck is still cold and the swell reminds you that, out there, nothing is indulgent. In deep professional diving, one does not “wear” objects: one takes aboard tools that are not allowed to fail. Gloves thicken the touch, visibility drops, the sound of compressors sets the tempo; every gesture is codified, every minute is counted. In this environment, solidity is not a marketing promise but a condition of survival: one demands materials that can take the hit, instant reading under stress, crisp controls that respond despite the cold and fatigue.
It is exactly for this use that one chooses an instrument-watch like The Beast Manufacture. Designed as an element of the kit — not as a jewel — it prioritizes legibility and resistance: a case ready to strike the steel of a ladder or the sheet metal of a chamber, a bezel whose 120 clicks can be heard through the regulator, a crystal that fears neither shocks nor pressure, a luminescence that pierces turbid water. In the end, when the mission demands keeping a cool head, one does not negotiate with chance: one relies on an instrument built to last, which makes time readable and action possible.
Under the surface of great depths, the light goes out, the cold gains, gloves thicken the touch. In this setting, every marker counts: the First Edition steel favors the instrument. The 316L steel case with micro-bead finish cuts stray reflections, the 47,7 mm assumes the presence of professional equipment, the matte black dial (95 %) recedes to let the indications speak. Hands and applied indexes filled with Super-Luminova “Old Radium” offer stable reading, from the work deck to the decompression stop. The positive rotation of the unidirectional 120-click bezel (ISO 6425) sets the pace of interventions. The matte black Ceramfine insert carries the triangle marker with luminous “Old Radium” dot to aim true in the dark. The protected screw-down crown secures maneuvers, while the exclusive encapsulation system and the 6 mm domed sapphire crystal — anti-reflective coated — form an armored set against shocks and pressure. The result is a certified 3000 m / 9900 ft water resistance, sized for committed diving.
The heart of this dive watch beats to the rhythm of the RTM001 Manufacture, an automatic with long autonomy — up to 77 hours — to cover several days of operations without winding. On the wrist, the kit is complete: black canvas on brown buffalo leather for hold and comfort, second black silicone strap for the technical and the salt, 26 mm lug width ready to accept your mission straps, 26 mm pin buckle simple and reliable. Our example is full set 2023 (box & original papers), limited edition 77 pieces.
Why buy at Mostra. Each watch is checked in our Aix-en-Provence workshop, sold with a certificate of authenticity and a 3-year Mostra warranty. In 2025, Mostra became the first RALF TECH Certified Technical Center dedicated to pre-owned watches: diagnostics, servicing and regulation according to the official specifications, with workshop traceability. Dates & production period. Initial commercialization of the TBM 11001 First Edition steel: 2023 in a 77-piece limited edition. Our example corresponds to this first numbered series, delivered full set.
