5-Axis CNC & Horological Architecture
The Custom Richard Mille RM 61-01 Yohan Blake Asymmetric 18K Rose Gold Reference RM 61-01 is a 5-axis Swiss CNC commission machined in 18K Rose Gold Au750 (42.7 mm x 50.23 mm x 15.84 mm) weighing 98.3g on our Mettler-Toledo analytical balance, driven by Richard Mille Cal. RMUL2 Free-Sprung Skeleton regulated to +0.5 s/d, 304 deg at 28,800 vph with a 72-hour power reserve beneath a double anti-reflective sapphire crystal.
| 01 / CNC Blueprint Entity & Reference | Richard Mille — RM 61-01 Yohan Blake Asymmetric | Ref. RM 61-01 | SKU: AT-AU750-RM 61-01-W746 |
|---|---|
| 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) | 98.3g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| 04 / Custom Bezel, Gem-Setting & Case Geometry | Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 98.3g 18K Rose Gold • 42.7 mm x 50.23 mm x 15.84 mm |
| 05 / Regulated Super Clone Movement Calibre | Richard Mille Cal. RMUL2 Free-Sprung Skeleton — Swiss Super Clone Mechanical Calibre Regulated to +0.5 s/d, 304 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 • 50m / 5 ATM - Dual Nitrile O-Ring Seals |
| 08 / Bespoke Dial & Integrated Bracelet Spec | 42.7 mm x 50.23 mm x 15.84 mm • Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands • Integrated 18K Rose Gold Hand-Stitched Alligator / Elastomer Strap & Solid Gold Folding Clasp with Deep Laser Hallmarks |
Engineered inside our Geneva 5-axis CNC Richard Mille custom atelier, the Custom Richard Mille RM 61-01 Yohan Blake Asymmetric 18K Rose Gold Reference RM 61-01 is machined from solid 18K Rose Gold Au750 billets to micron-level tolerances (42.7 mm x 50.23 mm x 15.84 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 98.3g verified under our Fischer XRF and Mettler-Toledo QC protocol.
What Are the Horological & Metallurgical Benchmarks of Richard Mille RM 61 Ref. RM 61-01?
The Richard Mille RM 61 Reference RM 61-01 is a precision-engineered luxury timepiece crafted in 18K Rose Gold Au750 (42.7 mm x 50.23 mm x 15.84 mm) with Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands, Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 98.3g, because the Richard Mille Cal. RMUL2 Free-Sprung Skeleton movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core CNC & Chronometric Specifications:
- Blueprint Reference: Custom Richard Mille RM 61-01 Yohan Blake Asymmetric 18K Rose Gold — Official Ref. RM 61-01 (SKU: AT-AU750-RM 61-01-W746).
- 5-Axis CNC Metallurgy: 18K Rose Gold Au750 case (42.7 mm x 50.23 mm x 15.84 mm) and Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal with hand-polished chamfers.
- Verified Bench Mass: 98.3g confirmed on a Mettler-Toledo analytical gram scale prior to dispatch.
- Super Clone Calibre: Richard Mille Cal. RMUL2 Free-Sprung Skeleton operating at 28,800 vph (4 Hz) with 72-hour power reserve and +0.5 s/d, 304 deg accuracy.
- Sapphire Optics & Sizing: Double anti-reflective sapphire crystal, 50m / 5 ATM - Dual Nitrile O-Ring Seals sealing, and 19 wrist sizing options (14.0–22.0 cm).
Within the Richard Mille RM 61 horological sub-silo, collectors also compare the Richard Mille RM 61-01 Yohan Blake Asymmetric Chronometer Regulated Spec Ref. RM 61-01 (55.2g) and the Richard Mille RM 61-01 Yohan Blake Asymmetric Ref. RM 061 (55.1g).
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- Technical Research Monograph: 5-Axis Swiss CNC Milling Solid 18K Gold Watch Cases (±2um) (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 Rose Gold case of this Richard Mille RM 61-01 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 98.3g 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 Richard Mille Cal. RMUL2 Free-Sprung Skeleton tested on the atelier workbench?
We record a personalized 4K bench video showing the Richard Mille Cal. RMUL2 Free-Sprung Skeleton (28,800 vph, 72-hour reserve) running at +0.5 s/d, 304 deg on our Witschi Chronoscope alongside Fischer XRF and Mettler-Toledo gram scale verification.
What dial and bezel specifications distinguish Richard Mille RM 61 Ref. RM 61-01?
Reference RM 61-01 combines Hand-Finished Collector Dial with Solid 18K Gold Applied Hour Markers & Hands and Hand-Finished 18K Rose Gold Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 42.7 mm x 50.23 mm x 15.84 mm 18K Rose Gold Au750 case weighing 98.3g, verified via Fischer XRF spectroscopy and powered by Richard Mille Cal. RMUL2 Free-Sprung Skeleton.
Custom Richard Mille RM 61-01 Yohan Blake Asymmetric 18K Rose Gold
5-Axis Swiss CNC 18K Rose Gold Au750 • 98.3g Verified Mass • Regulated Richard Mille Cal. RMUL2 Free-Sprung Skeleton