Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Rolex Cosmograph Daytona 18K Everose Gold Reference 126515LN is a Monte-Carlo registered luxury timepiece crafted in 18K Rose Gold Au750 (40.0 mm x 11.9 mm) with a verified Mettler-Toledo analytical weight of 160.6g, powered by Rolex Manufacture Cal. 4131 - 72h Power Reserve beating at 28,800 vph (+0.8 s/d, 301 deg) with a 72-hour power reserve, double anti-reflective sapphire crystal, and 100m / 330 ft - Triplock Screw-Down water resistance.
| Entity, Maison & Official Reference | Rolex — Oyster Perpetual Cosmograph Daytona | Ref. 126515LN | SKU: MC-AU750-126515LN-W194 |
|---|---|
| Precious Metal Alloy & XRF Purity | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| Verified Total Mass (Mettler-Toledo Scale) | 160.6g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Architecture & Gem-Setting Spec | Monobloc Black Cerachrom Ceramic Bezel with Engraved Graduations & Double-AR Sapphire Crystal • 160.6g 18K Everose Gold • 40.0 mm x 11.9 mm |
| Swiss Super Clone Movement Calibre | Rolex Manufacture Cal. 4131 - 72h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to +0.8 s/d, 301 deg |
| Power Reserve & Oscillation Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Water Resistance | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 330 ft - Triplock Screw-Down |
| Dial Finishing & Hallmarked Bracelet Clasp | 40.0 mm x 11.9 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Oysterflex High-Performance Elastomer Strap with Solid 18K Everose Gold Oysterlock Folding Safety Clasp |
Recorded in our Monte-Carlo solid 18K gold Rolex register, the Rolex Cosmograph Daytona 18K Everose Gold Reference 126515LN unites authentic Geneva proportions (40.0 mm x 11.9 mm) with a certified 18K Rose Gold Au750 mass of 160.6g. Every detail of the Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Monobloc Black Cerachrom Ceramic Bezel with Engraved Graduations & Double-AR Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.
5 Core Horological & Metallurgical Specifications:
- Registered Entity & Ref: Rolex Cosmograph Daytona 18K Everose Gold — Official Reference 126515LN (SKU: MC-AU750-126515LN-W194).
- Precious Metal Alloy: 18K Rose Gold Au750 with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
- Verified Reference Mass: 160.6g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
- Mechanical Calibre: Rolex Manufacture Cal. 4131 - 72h Power Reserve operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.8 s/d, 301 deg).
- Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 100m / 330 ft - Triplock Screw-Down water resistance.
Within the same Rolex horological silo, collectors also compare the Rolex Cosmograph Daytona John Mayer Emerald Dial 18K Yellow Gold Geneva Atelier Spec Ref. 116508 (216.7g) and the Rolex Day-Date 40 Iridescent Natural Mother-of-Pearl Dial 18K White Gold Ref. 228239 (210.5g).
What is the verified authentic weight of this Rolex Ref. 126515LN?
This Rolex Cosmograph Daytona 18K Everose Gold Ref. 126515LN weighs 160.6g in 18K Rose Gold Au750, matching the exact authentic factory weight on our Monte-Carlo showroom Mettler-Toledo analytical balance.
Are all 8 showroom photographs of Reference 126515LN unedited studio shots?
Yes. All 8 gallery plates show the actual timepiece captured across multiple studio angles on our quality-control bench with zero stock renders.
Which movement powers Reference 126515LN and how do I request the 4K QC video?
Reference 126515LN is powered by the Rolex Manufacture Cal. 4131 - 72h Power Reserve (28,800 vph, 72-hour power reserve, regulated to +0.8 s/d, 301 deg). Message our Monte-Carlo Private Client Concierge on WhatsApp (+1 305 724 0661) for your personalized 4K video dossier.
Rolex Cosmograph Daytona 18K Everose Gold Ref. 126515LN
Monte-Carlo Reference Register • 160.6g 18K Rose Gold Au750 • Rolex Manufacture Cal. 4131 - 72h Power Reserve