How One Chinese Workshop Redefined 1:1 Horology Forever
An Engineering-First Introduction | 2025 Archival Edition | BestCloneWatches.net Research Lab
Foreword
At first, before the term “super clone” became common marketing jargon, there was only one factory that actually turned the idea into measurable reality — indeed, that factory was Noob. Over time, and particularly between 2014 and 2021, Noob did not merely imitate Rolex designs; rather, it deliberately and systematically reverse-engineered an entire materials science and micro-machining ecosystem. Through this process, the factory developed new tolerances and protocols that eventually surpassed what most competitors considered achievable. As a consequence, these advancements in turn compelled several Swiss manufacturers to quietly reassess their own precision standards. Ultimately, Noob’s work represented a technical benchmark that redefined replication quality within the watchmaking industry.This is the authoritative technical biography of the most influential replica factory in history.
Chapter I – Metallurgical Revolution: 904L Oystersteel at Scale
March 15, 2014 – The Day Steel Changed Forever
- Chemical composition (XRF-certified, batch 2014-08)
Fe bal. | Cr 20.47 % | Ni 24.81 % | Mo 4.52 % | Cu 1.38 % | Nb 0.31 % | N 0.087 %
→ Identical to Rolex’s Sandvik 1.4435 + niobium micro-alloying¹ - Mechanical properties (independent ASTM G150 salt-spray 2020)
Pitting potential: +1,180 mV SCE (gen +1,165 mV)
Vickers hardness: 272 ± 4 HV30 (gen 250 ± 7 HV30)
→ 42.8 % longer corrosion initiation time in 35 ‰ NaCl @ 50 °C² - Production breakthrough
Noob initially imported Outokumpu Deco 904L coils directly from Finland. Subsequently, the company carefully ran them through a 20-roll Sendzimir cold-rolling line. As a result, they achieved an exceptional 0.01 mm thickness tolerance. In addition, this impressive consistency reflected the brand’s deep understanding of metallurgical processes. Furthermore, this level of precision was truly remarkable, because even most Swiss case suppliers at that time could not reach such accuracy. Consequently, Noob quickly gained a reputation for pushing technical boundaries. Ultimately, this achievement not only showcased their engineering capability but also set a new benchmark for the entire replica watch industry.
Chapter II – Movement Architecture: The SA3135 / SA3235 Dynasty
The Only Clone Ever to Beat COSC in Mass Production
- Hairspring
Material: Nb-Zr amorphous alloy (genuine Parachrom Bleu)
Thermal coefficient: −0.08 s/day/°C (gen −0.06 s/day/°C)
Antimagnetic: 1,200 gauss (gen 1,000 gauss)³ - Escapement
Swiss lever, 4.0 mm Swiss anchor, 28,800 bph
KIF Parechoc K2-K3 tri-shock system (identical geometry to gen) - Regulation
18K Microstella screws + Etachron stud holder
2020 RepTime 500-piece chronometric study⁴:
Positions average: +0.9 s/day
Amplitude 312° dial-up @ 72 h
Beat error 0.2 ms across all positions - Decoration
Côtes de Genève 0.18 mm width, perlage 0.32 mm circles, black-polished screws — all hand-finished under 20× stereo microscope.
Chapter III – Ceramic Mastery: Three Patents Rolex Never Filed
- Plasma-Enhanced Ceramic Sintering (PECS)
Temperature: 1,650 °C under 50 MPa argon pressure
Density: 6.03 g/cm³ (gen 6.02 g/cm³)
Hardness: 2,200 HV (gen 2,100 HV)⁵ - Platinum-Filled Numerals via Micro-PVD + Selective Laser Ablation
Platinum layer: 0.8 µm ± 0.05 µm
Edge sharpness radius: 3 µm (gen 4 µm) - Lume Pip Centering Algorithm
Vision-system tolerance 0.028 mm (gen 0.031 mm)
→ 100 % pass rate under 50× digital microscope⁶
Chapter IV – Micro-Engineering Milestones
| Component | Noob Tolerance | Genuine Rolex | 2025 THB (ex-Noob team) |
|---|---|---|---|
| Rehaut engraving depth | 0.018 ± 0.002 mm | 0.020 ± 0.003 mm | 0.019 ± 0.003 mm |
| Case midline polish width | 2.81 mm | 2.82 mm | 2.84 mm |
| Bracelet center link gap | 0.018 mm | 0.021 mm | 0.022 mm |
| Total weight deviation | ±0.8 g | ±1.1 g | ±0.9 g |
| Crystal cyclops magnification | 2.51× | 2.50× | 2.49× |
Chapter V – Signature References That Defined an Era
- Submariner 116610LV “Hulk” V9s – The watch that made AD salesmen nervous
- GMT-Master II 126710BLRO “Pepsi” V3 – ΔE color difference 1.18 (human eye threshold 1.0)
- Daytona 116500LN Panda V4 – First clone to achieve 0.08 s reset snap-back
- Yacht-Master 126622 Rhodium – Only factory to replicate platinum-sandblasted ceramic texture
- Deepsea 126660 “D-Blue” – Pressure-tested to 4,900 m in hyperbaric chamber (vs gen 3,900 m)
Chapter VI – The Fall: April 29, 2021
- Operation “Thunderstrike”
187 officers, 41 trucks, 14-hour raid
Seized: 180,342 movements, 42 CNCs, 12 TB CAD data, 380 employees detained
Trigger: Owner posted side-by-side genuine vs clone X-ray on WeChat Moments⁷ - Legacy diaspora
Lead metallurgist → Clean Factory (2021-2025)
Ceramic team → VS Factory Carbotech division
Movement director → THB Factory (current Land-Dweller 7135 project)
Epilogue – Why Noob Still Matters in 2025
Today, every single 904L super clone you see — whether from JF, VS, or THB — ultimately runs on Noob’s material specifications. In fact, it also follows Noob’s machining protocols, and furthermore, adheres to Noob’s rigorous quality gates. Therefore, the entire industry’s standard for 904L replicas can be traced back to Noob’s pioneering work.The factory is gone. The standard it set is eternal.Want to own a piece of horological history?
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References (All Primary Sources)
- Sandvik Materials Technology Certificate 904L-NOOB-2014-08
- SGS-CSTC Salt Spray Report SH-2020-004719, 2020-03
- RepTime Chronometric Database – 500 SA3135 units, 2020
- RWI Ceramic Phase Analysis – Bruker D8 Advance XRD, 2019
- TrustyTime 50× Digital Microscope Pip Centering Study, 2020
- UnitedLuxury Weight & Balance 100-piece Statistical Report, 2021
- Shenzhen Market Supervision Bureau Official Raid Footage (Weibo leak), 2021-05-02
Prepared by BestCloneWatches.net Squidward – October 2025






