5-Axis CNC & Horological Architecture
The Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K White Gold Geneva Atelier Spec Reference 126529LN is a 5-axis Swiss CNC commission machined in 18K White Gold Au750 (40.0 mm x 11.9 mm) weighing 216.8g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 4132 - 24h Le Mans regulated to +0.6 s/d, 303 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. 126529LN | SKU: AT-AU750-126529LN-W457 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K White Gold Au750 — Au750 — 75.0% Pure 18K Gold Bullion (XRF Verified) • Hallmarked Solid Precious Metal |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 216.8g — 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 • 216.8g 18K White 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 +0.6 s/d, 303 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 White 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 White Gold Geneva Atelier Spec Reference 126529LN is machined from solid 18K White 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 216.8g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Distinguishes the Rolex Daytona "Le Mans" Centenary Ref. 126529LN?
The Rolex Cosmograph Daytona "Le Mans" Reference 126529LN is a commemorative solid 18K White 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 216.8g 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 White Gold Geneva Atelier Spec — Official Ref. 126529LN (SKU: AT-AU750-126529LN-W457).
- 5-Axis CNC Metallurgy: 18K White 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: 216.8g 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 +0.6 s/d, 303 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 18K White Gold Ref. 116519LN (160.5g) and the Rolex Cosmograph Daytona 18K Everose Gold Chronometer Regulated Spec Ref. 126505 (216.6g).
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- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K White Gold case of this Rolex 126529LN machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K White Gold Au750 to achieve the authentic 216.8g 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 +0.6 s/d, 303 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
Why does Rolex Daytona Le Mans Ref. 126529LN feature a red 100 on the Cerachrom bezel?
Reference 126529LN 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 White Gold Au750 mass of 216.8g.
Custom Rolex Cosmograph Daytona Le Mans 100th Anniversary 18K White Gold Geneva Atelier Spec Ref. 126529LN
5-Axis Swiss CNC 18K White Gold Au750 • 216.8g Verified Mass • Regulated Rolex Manufacture Cal. 4132 - 24h Le Mans