Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Reference 226627 is a direct Swiss foundry specimen engineered in Grade 5 Titanium Monobloc (42.0 mm x 11.7 mm) with a certified Mettler-Toledo mass of 101.5g, Fischer XRF Au750 metallurgical verification, and Rolex Manufacture Cal. 3235 - 70h Power Reserve running at 28,800 vph (+0.5 s/d, 296 deg) with a 72-hour power reserve and 100m / 330 ft - Triplock Screw-Down rating.
Catalogued in our direct Swiss foundry Rolex assay archive under Specimen Code LAB-CNC-226627-W306, this Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Reference 226627 is smelted and CNC-machined in Grade 5 Titanium Monobloc (42.0 mm x 11.7 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 101.5g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Rolex Yacht-Master Ref. 226627?
The Rolex Yacht-Master Reference 226627 is a precision-engineered luxury timepiece crafted in Grade 5 Titanium Monobloc (42.0 mm x 11.7 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 101.5g, because its Rolex Manufacture Cal. 3235 - 70h Power Reserve movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Rolex Yacht-Master 42 RLX Titanium Matte Black Dial — Official Ref. 226627 (Specimen LAB-CNC-226627-W306).
- XRF Metallurgical Assay: Grade 5 Titanium Monobloc certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 101.5g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Rolex Manufacture Cal. 3235 - 70h Power Reserve beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.5 s/d, 296 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 100m / 330 ft - Triplock Screw-Down barometric sealing.
Within the Rolex Yacht-Master horological sub-silo, collectors also compare the Rolex Yacht-Master 42 RLX Titanium Falcon Eye Stone Dial Geneva Atelier Spec Ref. 226627 (101.4g) and the Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold Ref. 126655 (153.9g).
- Parent Brand & Yacht-Master Silo Hub: Browse All 289 Certified Rolex Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Fischer XRF Au750 Spectrometry Watch Authentication SOP-750 (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K FACTORY Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What laboratory instruments certify Reference 226627 (Rolex)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (101.5g), a Fischer XRF spectrometer (Grade 5 Titanium Monobloc), and a Witschi Chronoscope (+0.5 s/d, 296 deg).
Does the 101.5g reading match the authentic original Rolex 226627 weight?
Yes. Our CNC foundry machines the Grade 5 Titanium case and bracelet to replicate the exact 101.5g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference 226627?
Reference 226627 is powered by the Rolex Manufacture Cal. 3235 - 70h Power Reserve operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.5 s/d, 296 deg.
What dial and bezel specifications distinguish Rolex Yacht-Master Ref. 226627?
Reference 226627 combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Precision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 42.0 mm x 11.7 mm Grade 5 Titanium Monobloc case weighing 101.5g, verified via Fischer XRF spectroscopy and powered by Rolex Manufacture Cal. 3235 - 70h Power Reserve.
Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Ref. 226627 — XRF Certified Edition
Fischer XRF Verified Grade 5 Titanium Monobloc • Mettler-Toledo 101.5g • Rolex Manufacture Cal. 3235 - 70h Power Reserve
| Assay Specimen ID & Official Reference | Rolex — Oyster Perpetual Yacht-Master 42 | Ref. 226627 | SKU: LAB-CNC-226627-W306 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | Grade 5 Titanium Monobloc — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 101.5g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Precision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 101.5g Grade 5 Titanium • 42.0 mm x 11.7 mm |
| Calibre Reference & Witschi Chronometry | Rolex Manufacture Cal. 3235 - 70h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 296 deg |
| Isochronism Frequency & Autonomous Power Reserve | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Barometric Rating | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 330 ft - Triplock Screw-Down |
| Dial Metallurgy & Clasp Hallmark Verification | 42.0 mm x 11.7 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |