5-Axis CNC & Horological Architecture
The Custom Rolex GMT-Master II Diamond-Set Bezel 18K Everose Gold Reference 126755SARU is a 5-axis Swiss CNC commission machined in 18K Rose Gold Au750 (40.0 mm x 11.9 mm) weighing 225.3g on our Mettler-Toledo analytical balance, driven by Rolex Manufacture Cal. 3285 - 70h Power Reserve regulated to +0.4 s/d, 300 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. 126755SARU | SKU: AT-AU750-126755SARU-W40 |
|---|---|
| 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) | 225.3g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Off-Catalog 18K Rose Gold Au750 Haute Joaillerie Bezel Hand-Set with Graduated Baguette-Cut Precious Gemstones and VVS Diamonds • 225.3g 18K Everose Gold • 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 +0.4 s/d, 300 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 • Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands • 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 GMT-Master II Diamond-Set Bezel 18K Everose Gold Reference 126755SARU 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 Diamond-Set Bezel with Solid 18K Gold Applied Hour Markers & Hands is hand-finished on our watchmaker bench, yielding a certified reference weight of 225.3g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Distinguishes the Off-Catalog Haute Joaillerie Rolex Ref. 126755SARU?
The Rolex GMT-Master II Reference 126755SARU is an off-catalog haute joaillerie collector edition crafted in 18K Rose Gold Au750 (40.0 mm x 11.9 mm) with a hand-set baguette-cut gemstone bezel and a verified mass of 225.3g, because each baguette sapphire, emerald, ruby, or VVS diamond is optically graded for zero-gap channel alignment.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Rolex GMT-Master II Diamond-Set Bezel 18K Everose Gold — Official Ref. 126755SARU (SKU: AT-AU750-126755SARU-W40).
- 5-Axis CNC Metallurgy: 18K Rose Gold Au750 case (40.0 mm x 11.9 mm) and Off-Catalog 18K Rose Gold Au750 Haute Joaillerie Bezel Hand-Set with Graduated Baguette-Cut Precious Gemstones and VVS Diamonds with hand-polished chamfers.
- Verified Bench Mass: 225.3g 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 +0.4 s/d, 300 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 Golden Chatoyant Tiger Eye Dial 18K Everose Gold Ref. 126715CHNR (225.4g) and the Rolex GMT-Master II Graduated Royal Blue Sunburst Dial 18K White Gold Ref. 126719BLRO (225.1g).
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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 126755SARU 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 225.3g 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 +0.4 s/d, 300 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
How are the baguette gemstones set on Rolex Off-Catalog Ref. 126755SARU?
Master gem-setters cut and channel-set each baguette gemstone directly into the 18K Rose Gold Au750 bezel and case architecture of Reference 126755SARU, preserving the 225.3g authentic reference weight and Rolex Manufacture Cal. 3285 - 70h Power Reserve chronometry.
Custom Rolex GMT-Master II Diamond-Set Bezel 18K Everose Gold Ref. 126755SARU
5-Axis Swiss CNC 18K Rose Gold Au750 • 225.3g Verified Mass • Regulated Rolex Manufacture Cal. 3285 - 70h Power Reserve