Gravimetric Mass & Chronometric Assay Bulletin
The Rolex Cosmograph Daytona Giraffe Off-Catalogue Diamond Edition 18K Everose Gold Reference 126555TBR is a hallmarked 18K Rose Gold Au750 haute horlogerie timepiece measuring 40.0 mm x 11.9 mm with a verified Mettler-Toledo mass of 216.4g, powered by Rolex Manufacture Cal. 4131 - 72h 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 Cosmograph Daytona | Ref. 126555TBR | SKU: PV-AU750-126555TBR-W171 |
|---|---|
| II. Precious Metal Alloy & Hallmark Assay | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| III. Certified Gravimetric Mass (Mettler-Toledo) | 216.4g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| IV. Bezel Setting & Case Architecture | Off-Catalog 18K Rose Gold Au750 Bezel Set with 36 Trapeze-Cut Baguette VVS Diamonds (TBR — Taille Baguette Diamants) • 216.4g 18K Everose Gold • 40.0 mm x 11.9 mm |
| V. Mechanical Manufacture Calibre | Rolex Manufacture Cal. 4131 - 72h 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 | 40.0 mm x 11.9 mm • Giraffe Savanna Pave Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Everose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Curated within our hallmarked solid 18K gold Rolex collection, the Rolex Cosmograph Daytona Giraffe Off-Catalogue Diamond Edition 18K Everose Gold Reference 126555TBR exemplifies haute horlogerie metallurgy in 18K Rose Gold Au750. Milled to exact manufacture geometry (40.0 mm x 11.9 mm), the monobloc middle case, Off-Catalog 18K Rose Gold Au750 Bezel Set with 36 Trapeze-Cut Baguette VVS Diamonds (TBR — Taille Baguette Diamants), and Integrated 18K Everose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks achieve a verified analytical mass of 216.4g on our Fischer XRF Au750 and Mettler-Toledo assay bench.
What Does the TBR Baguette Diamond Designation Mean on Rolex Ref. 126555TBR?
The Rolex Cosmograph Daytona "Giraffe" Reference 126555TBR is an off-catalog high-jewelry timepiece in 18K Rose Gold Au750 equipped with 36 trapeze-cut baguette VVS diamonds on the bezel (TBR — Taille Baguette Diamants) and a verified mass of 216.4g, because off-catalog TBR allocations replace the standard tachymeter or fluted bezel with hand-matched baguette diamond channels.
5 Core Horological & Metallurgical Specifications:
- Entity & Reference: Rolex Cosmograph Daytona Giraffe Off-Catalogue Diamond Edition 18K Everose Gold — Official Reference 126555TBR (SKU: PV-AU750-126555TBR-W171).
- Precious Metal Assay: 18K Rose Gold Au750 verified via non-destructive Fischer X-Ray Fluorescence spectroscopy.
- Gravimetric Parity: 216.4g total mass weighed on a calibrated Mettler-Toledo laboratory scale.
- Calibre & Oscillating System: Rolex Manufacture Cal. 4131 - 72h 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 Cosmograph Daytona horological sub-silo, collectors also compare the Rolex Cosmograph Daytona Gibeon Meteorite Dial 18K White Gold Hand-Finished Buff Dial Deep Crystal Optics Ref. 126519 (160.3g) and the Rolex Cosmograph Daytona Gibeon Meteorite Dial 18K Yellow Gold Ref. 116508 (216.2g).
- Parent Brand & Cosmograph Daytona 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. 126555TBR?
At 18K Solid Gold 18K Solid Gold Salon, this Rolex Cosmograph Daytona Giraffe Off-Catalogue Diamond Edition 18K Everose Gold Ref. 126555TBR weighs 216.4g on our Mettler-Toledo analytical balance, matching the exact factory mass of the authentic 18K Everose Gold reference.
How is the 18K Rose 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 126555TBR and what is its power reserve?
Reference 126555TBR is equipped with the Rolex Manufacture Cal. 4131 - 72h 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 does the TBR suffix mean on Rolex Cosmograph Daytona Ref. 126555TBR?
The TBR horological suffix designates Taille Baguette Diamants: 36 precision-cut baguette VVS diamonds channel-set into the 18K Rose Gold Au750 bezel of this 216.4g off-catalog Rolex Reference 126555TBR.
Rolex Cosmograph Daytona Giraffe Off-Catalogue Diamond Edition 18K Everose Gold Reference 126555TBR — Hallmarked Edition
Hallmarked Au750 & Pt950 Salon Edition • 216.4g Verified Mass • Rolex Manufacture Cal. 4131 - 72h Power Reserve