Gravimetric Mass & Chronometric Assay Bulletin
The Rolex GMT-Master II Gibeon Meteorite Dial 18K White Gold Reference 126719BLRO is a hallmarked 18K White Gold Au750 haute horlogerie timepiece measuring 40.0 mm x 11.9 mm with a verified Mettler-Toledo mass of 217.0g, powered by Rolex Manufacture Cal. 3285 - 70h Power Reserve operating at 28,800 vph (+0.7 s/d, 304 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 GMT-Master II | Ref. 126719BLRO | SKU: PV-AU750-126719BLRO-W98 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 217.0g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Bidirectional 24-Hour Red & Blue Pepsi Cerachrom Ceramic Bezel • 217.0g 18K White Gold • 40.0 mm x 11.9 mm |
| V. Mechanical Manufacture Calibre | Rolex Manufacture Cal. 3285 - 70h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.7 s/d, 304 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 | 40.0 mm x 11.9 mm • Authentic Slice of Extraterrestrial Gibeon Metallic Iron-Nickel Meteorite with Acid-Etched Widmanstatten Crystalline Lattice Structure • Integrated 18K White Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Rolex collection, the Rolex GMT-Master II Gibeon Meteorite Dial 18K White Gold Reference 126719BLRO exemplifies haute horlogerie metallurgy in 18K White Gold Au750. Milled to exact manufacture geometry (40.0 mm x 11.9 mm), the monobloc middle case, Bidirectional 24-Hour Red & Blue Pepsi Cerachrom Ceramic Bezel, and Integrated 18K White Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 217.0g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
How Is the Authentic Gibeon Meteorite Widmanstatten Dial Crafted on Rolex Ref. 126719BLRO?
The Rolex GMT-Master II Reference 126719BLRO features a genuine extraterrestrial Gibeon iron-nickel meteorite dial displaying an acid-etched Widmanstatten crystalline lattice pattern inside a 40.0 mm x 11.9 mm 18K White Gold Au750 case weighing 217.0g, because octahedral nickel-iron crystals cool over millions of years in space to form unique non-repeating metallic striations.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Rolex GMT-Master II Gibeon Meteorite Dial 18K White Gold — Official Reference 126719BLRO (SKU: PV-AU750-126719BLRO-W98).
- Precious Metal Assay: 18K White Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 217.0g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Rolex Manufacture Cal. 3285 - 70h Power Reserve beating at 28,800 vph (4 Hz) with a 72-hour power reserve (+0.7 s/d, 304 deg).
- Crystal & Hermeticity: Scratch-resistant sapphire crystal with double anti-reflective coating and 100m / 330 ft - Triplock Screw-Down rating.
Within the Rolex GMT-Master II horological sub-silo, collectors also compare the Rolex GMT-Master II Diamond-Set Bezel 18K Everose Gold Ref. 126755SARU (225.3g) and the Rolex GMT-Master II Golden Chatoyant Tiger Eye Dial 18K Everose Gold Ref. 126715CHNR (225.4g).
- Parent Brand & GMT-Master II 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. 126719BLRO?
At 18K Solid Gold 18K Solid Gold Salon, this Rolex GMT-Master II Gibeon Meteorite Dial 18K White Gold Ref. 126719BLRO weighs 217.0g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K White Gold reference.
How is the 18K White Gold Au750 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 126719BLRO and what is its power reserve?
Reference 126719BLRO is equipped with the Rolex Manufacture Cal. 3285 - 70h Power Reserve operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated in our Paris and Geneva workshop to +0.7 s/d, 304 deg.
Is the dial on Rolex Ref. 126719BLRO crafted from real Gibeon iron-nickel meteorite?
Yes. Each Rolex GMT-Master II Ref. 126719BLRO dial is sliced from genuine Gibeon metallic meteorite and acid-etched to reveal its natural Widmanstatten crystalline lattice inside our 217.0g 18K White Gold Au750 case.
Rolex GMT-Master II Gibeon Meteorite Dial 18K White Gold Reference 126719BLRO — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 217.0g Verified Mass • Rolex Manufacture Cal. 3285 - 70h Power Reserve