Gravimetric Mass & Chronometric Assay Bulletin
The Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Reference 226627 is a hallmarked Grade 5 Titanium Monobloc haute horlogerie timepiece measuring 42.0 mm x 11.7 mm with a verified Mettler-Toledo mass of 101.5g, powered by Rolex Manufacture Cal. 3235 - 70h Power Reserve operating at 28,800 vph (+0.5 s/d, 296 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 100m / 330 ft - Triplock Screw-Down water resistance.
| I. Official Maison Entity & Reference | Rolex — Oyster Perpetual Yacht-Master 42 | Ref. 226627 | SKU: PV-CUST-226627-W306 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | Grade 5 Titanium Monobloc — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 101.5g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | 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 |
| V. Mechanical Manufacture Calibre | Rolex Manufacture Cal. 3235 - 70h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 296 deg |
| VI. Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| VII. Double AR Sapphire Crystal & Hermeticity | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 330 ft - Triplock Screw-Down |
| VIII. Dial Finishing, Bracelet & Hallmarked Clasp | 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 |
Curated within our hallmarked solid 18K gold Rolex collection, the Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Reference 226627 exemplifies haute horlogerie metallurgy in Grade 5 Titanium Monobloc. Milled to exact manufacture geometry (42.0 mm x 11.7 mm), the monobloc middle case, Precision Brushed & Polished CNC Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp achieve a verified analytical mass of 101.5g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
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 Horological & Metallurgical Specifications:
- Entity & Reference: Rolex Yacht-Master 42 RLX Titanium Matte Black Dial — Official Reference 226627 (SKU: PV-CUST-226627-W306).
- Precious Metal Assay: Grade 5 Titanium Monobloc verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 101.5g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Rolex Manufacture Cal. 3235 - 70h Power Reserve beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.5 s/d, 296 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 100m / 330 ft - Triplock Screw-Down rating.
Within the Rolex Yacht-Master horological sub-silo, collectors also compare the Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold Ref. 126655 (153.9g) and the Rolex Yacht-Master 42 Diamond-Set Bezel 18K White Gold Ref. 226659 (170.2g).
- Parent Brand & Yacht-Master Silo Hub: Browse All 289 Certified Rolex Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Swiss St. Bernard Poincon & Au750 Gold Hallmarks Guide (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K SOLID GOLD 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 is the verified authentic gram weight of this Rolex Ref. 226627?
At 18K Solid Gold 18K Solid Gold Salon, this Rolex Yacht-Master 42 RLX Titanium Matte Black Dial Ref. 226627 weighs 101.5g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic Grade 5 Titanium reference.
How is the Grade 5 Titanium Monobloc purity verified prior to dispatch?
Every timepiece undergoes non-destructive Fischer X-Ray Fluorescence (XRF) spectroscopy confirming elemental bullion composition alongside a personalized 4K scale and hallmark inspection video.
Which movement powers Reference 226627 and what is its power reserve?
Reference 226627 is equipped with the Rolex Manufacture Cal. 3235 - 70h Power Reserve operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop 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 Reference 226627 — Salon Edition
Bespoke Atelier Salon Edition • 101.5g Verified Mass • Rolex Manufacture Cal. 3235 - 70h Power Reserve