5-Axis CNC & Horological Architecture
The Custom Rolex GMT-Master II Reference 126711CHNR is a 5-axis Swiss CNC commission machined in 18K Gold & 904L Oystersteel Rolesor (40.0 mm x 11.9 mm) weighing 172.7g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 3285 - 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 GMT-Master II | Ref. 126711CHNR | SKU: AT-CNC-126711CHNR-W507 |
|---|---|
| 02 / 5-Axis CNC Metallurgy & Gold Purity | 18K Gold & 904L Oystersteel Rolesor — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| 03 / Analytical Bench Weight (1:1 Reference Mass) | 172.7g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Bidirectional 24-Hour Brown & Black Root Beer Cerachrom Ceramic Bezel • 172.7g 18K Gold Rolesor • 40.0 mm x 11.9 mm |
| 05 / Regulated Super Clone Movement Calibre | Rolex Manufacture Cal. 3285 - 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 11.9 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Integrated Solid Link Bracelet & Deployant Clasp |
Engineered inside our Geneva 5-axis CNC Rolex custom atelier, the Custom Rolex GMT-Master II Reference 126711CHNR is machined from solid 18K Gold & 904L Oystersteel Rolesor billets to micron-level tolerances (40.0 mm x 11.9 mm). Every bevel, lug chamfer, and Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 172.7g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Are the Horological & Metallurgical Benchmarks of Rolex GMT-Master II Ref. 126711CHNR?
The Rolex GMT-Master II Reference 126711CHNR is a precision-engineered luxury timepiece crafted in 18K Gold & 904L Oystersteel Rolesor (40.0 mm x 11.9 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Bidirectional 24-Hour Brown & Black Root Beer Cerachrom Ceramic Bezel, and a verified Mettler-Toledo mass of 172.7g, because the Rolex Manufacture Cal. 3285 - 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 GMT-Master II — Official Ref. 126711CHNR (SKU: AT-CNC-126711CHNR-W507).
- 5-Axis CNC Metallurgy: 18K Gold & 904L Oystersteel Rolesor case (40.0 mm x 11.9 mm) and Bidirectional 24-Hour Brown & Black Root Beer Cerachrom Ceramic Bezel with hand-polished chamfers.
- Verified Bench Mass: 172.7g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Rolex Manufacture Cal. 3285 - 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).
Within the Rolex GMT-Master II horological sub-silo, collectors also compare the Rolex GMT-Master II Guinness / Zombie Grey & Black Cerachrom 18K Yellow Gold Ref. 126718GRNR (225.8g) and the Rolex GMT-Master II Batgirl Blue & Black Jubilee Deep Crystal Optics Ref. 126710BLNR (143.3g).
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- Metallurgical & 4K QC Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
How is the 18K Gold Rolesor case of this Rolex 126711CHNR machined?
Our Geneva CNC specialists mill the monobloc middle case, bezel, and bracelet geometry on 5-axis Swiss machining centers in 18K Gold & 904L Oystersteel Rolesor to achieve the authentic 172.7g 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. 3285 - 70h Power Reserve tested on the atelier workbench?
We record a personalized 4K bench video showing the Rolex Manufacture Cal. 3285 - 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 GMT-Master II Ref. 126711CHNR?
Reference 126711CHNR combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Bidirectional 24-Hour Brown & Black Root Beer Cerachrom Ceramic Bezel within a 40.0 mm x 11.9 mm 18K Gold & 904L Oystersteel Rolesor case weighing 172.7g, verified via Fischer XRF spectroscopy and powered by Rolex Manufacture Cal. 3285 - 70h Power Reserve.
Custom Rolex GMT-Master II Ref. 126711CHNR
5-Axis Swiss CNC 18K Gold & 904L Oystersteel Rolesor • 172.7g Verified Mass • Regulated Rolex Manufacture Cal. 3285 - 70h Power Reserve