5-Axis CNC & Horological Architecture
The Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K Everose Gold Deep Crystal Optics Reference 126525LN is a 5-axis Swiss CNC commission machined in 18K Rose Gold Au750 (40.0 mm x 11.9 mm) weighing 216.1g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 4132 - 24h Le Mans regulated to +0.4 s/d, 301 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.
| 01 / CNC Blueprint Entity & Reference | Rolex — Oyster Perpetual Cosmograph Daytona | Ref. 126525LN | SKU: AT-AU750-126525LN-W320 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K Rose Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 216.1g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Monobloc Black Cerachrom Bezel with Red "100" Ceramic Tachymeter Numeral Commemorating the 24 Hours of Le Mans Centenary • 216.1g 18K Everose Gold • 40.0 mm x 11.9 mm |
| 05 / Regulated Super Clone Movement Calibre | Rolex Manufacture Cal. 4132 - 24h Le Mans — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 301 deg |
| 06 / Barrel Power Reserve & Balance Frequency | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| 07 / Optical Sapphire Crystal (Double AR) & Sealing | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 100m / 330 ft - Triplock Screw-Down |
| 08 / Bespoke Dial & Integrated Bracelet Spec | 40.0 mm x 11.9 mm • Reverse-Panda Sunburst Dial with Paul Newman Exotic Chronograph Subdials and 24-Hour Totalizer • Integrated 18K Everose Gold Solid Link Bracelet & Deployant Clasp with Deep Laser Hallmarks |
Engineered inside our Geneva 5-axis CNC Rolex custom atelier, the Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K Everose Gold Deep Crystal Optics Reference 126525LN is machined from solid 18K Rose Gold Au750 billets to micron-level tolerances (40.0 mm x 11.9 mm). Every bevel, lug chamfer, and Reverse-Panda Sunburst Dial with Paul Newman Exotic Chronograph Subdials and 24-Hour Totalizer is hand-finished on our watchmaker bench, yielding a certified reference weight of 216.1g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Distinguishes the Rolex Daytona "Le Mans" Centenary Ref. 126525LN?
The Rolex Cosmograph Daytona "Le Mans" Reference 126525LN is a commemorative solid 18K Rose Gold Au750 chronograph featuring a red "100" on the Cerachrom tachymeter bezel, Paul Newman reverse-panda exotic subdials, and Rolex Manufacture Cal. 4132 - 24h Le Mans inside a 216.1g case, because the reference celebrates the 100th anniversary of the 24 Hours of Le Mans endurance race.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K Everose Gold Deep Crystal Optics — Official Ref. 126525LN (SKU: AT-AU750-126525LN-W320).
- 5-Axis CNC Metallurgy: 18K Rose Gold Au750 case (40.0 mm x 11.9 mm) and Monobloc Black Cerachrom Bezel with Red "100" Ceramic Tachymeter Numeral Commemorating the 24 Hours of Le Mans Centenary with hand-polished chamfers.
- Verified Bench Mass: 216.1g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Rolex Manufacture Cal. 4132 - 24h Le Mans operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.4 s/d, 301 deg accuracy.
- Sapphire Optics & Sizing: Double anti-reflective sapphire crystal, 100m / 330 ft - Triplock Screw-Down sealing, and 19 wrist sizing options (14.0–22.0 cm).
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 5-Axis CNC Case Ref. 116509 (216.1g) and the Rolex Cosmograph Daytona 18K White Gold Deep Crystal Optics 5-Axis CNC Case Ref. 116589TBR (160.2g).
- Parent Brand & Cosmograph Daytona Silo Hub: Browse All 289 Certified Rolex Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Authentic Gibeon Meteorite Watch Dials & Widmanstatten Etch (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K CUSTOM Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K Everose Gold case of this Rolex 126525LN machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K Rose Gold Au750 to achieve the authentic 216.1g reference mass.
Can the bracelet or strap be pre-sized to my exact wrist circumference?
Yes. Choose from 19 precision wrist circumference options (14.0 cm to 22.0 cm, or full unsized factory length). All removed solid links are sealed inside your presentation box.
How is the Rolex Manufacture Cal. 4132 - 24h Le Mans tested on the atelier workbench?
We record a personalized 4K bench video showing the Rolex Manufacture Cal. 4132 - 24h Le Mans (28,800 vph, 72-hour reserve) running at +0.4 s/d, 301 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
Why does Rolex Daytona Le Mans Ref. 126525LN feature a red 100 on the Cerachrom bezel?
Reference 126525LN commemorates the centenary of the 24 Hours of Le Mans endurance race with a red "100" in ceramic on the tachymeter scale, Paul Newman-inspired lollipop subdial markers, and a verified 18K Rose Gold Au750 mass of 216.1g.
Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K Everose Gold Deep Crystal Optics Ref. 126525LN
5-Axis Swiss CNC 18K Rose Gold Au750 • 216.1g Verified Mass • Regulated Rolex Manufacture Cal. 4132 - 24h Le Mans