5-Axis CNC & Horological Architecture
The Custom Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold Reference 126655 is a 5-axis Swiss CNC commission machined in 18K Rose Gold Au750 (40.0 mm x 11.5 mm) weighing 153.9g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 3235 - 70h Power Reserve regulated to ±0.6 s/d, 299 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 Yacht-Master 40 | Ref. 126655 | SKU: AT-AU750-126655-W30 |
|---|---|
| 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) | 153.9g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Hand-Finished 18K Everose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 153.9g 18K Everose Gold • 40.0 mm x 11.5 mm |
| 05 / Regulated Super Clone Movement Calibre | Rolex Manufacture Cal. 3235 - 70h Power Reserve — Swiss Super Clone Mechanical Calibre Regulated to ±0.6 s/d, 299 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 11.5 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 |
Engineered inside our Geneva 5-axis CNC Rolex custom atelier, the Custom Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold Reference 126655 is machined from solid 18K Rose Gold Au750 billets to micron-level tolerances (40.0 mm x 11.5 mm). Every bevel, lug chamfer, and Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 153.9g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Are the Horological & Metallurgical Benchmarks of Rolex Yacht-Master Ref. 126655?
The Rolex Yacht-Master Reference 126655 is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (40.0 mm x 11.5 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Everose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 153.9g, because the Rolex Manufacture Cal. 3235 - 70h Power Reserve movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold — Official Ref. 126655 (SKU: AT-AU750-126655-W30).
- 5-Axis CNC Metallurgy: 18K Rose Gold Au750 case (40.0 mm x 11.5 mm) and Hand-Finished 18K Everose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal with hand-polished chamfers.
- Verified Bench Mass: 153.9g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Rolex Manufacture Cal. 3235 - 70h Power Reserve operating at 28,800 vph (4 Hz) with 72-hour power reserve and ±0.6 s/d, 299 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).
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- 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 126655 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 153.9g 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. 3235 - 70h Power Reserve tested on the atelier workbench?
We record a personalized 4K bench video showing the Rolex Manufacture Cal. 3235 - 70h Power Reserve (28,800 vph, 72-hour reserve) running at ±0.6 s/d, 299 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
What dial and bezel specifications distinguish Rolex Yacht-Master Ref. 126655?
Reference 126655 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K Everose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 40.0 mm x 11.5 mm 18K Rose Gold Au750 case weighing 153.9g, verified via Fischer XRF spectroscopy and powered by Rolex Manufacture Cal. 3235 - 70h Power Reserve.
Custom Rolex Yacht-Master 40 Matte Black Cerachrom & Oysterflex 18K Everose Gold Ref. 126655
5-Axis Swiss CNC 18K Rose Gold Au750 • 153.9g Verified Mass • Regulated Rolex Manufacture Cal. 3235 - 70h Power Reserve