Recorded in our Monte-Carlo solid 18K gold Richard Mille register, the Richard Mille RM 61-01 Yohan Blake Asymmetric Reference RM 61-01 unites authentic Geneva proportions (42.7 mm x 50.23 mm x 15.84 mm) with a certified Carbon TPT & Grade 5 Titanium mass of 55.4g. Every detail of the Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished Carbon TPT Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.

5 Core Horological & Metallurgical Specifications:

• Registered Entity & Ref: Richard Mille RM 61-01 Yohan Blake Asymmetric — Official Reference RM 61-01 (SKU: MC-CUST-RM 61-01-W56).
• Precious Metal Alloy: Carbon TPT & Grade 5 Titanium with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
• Verified Reference Mass: 55.4g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
• Mechanical Calibre: Richard Mille Cal. RMUL2 Free-Sprung Skeleton operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.5 s/d, 298 deg).
• Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 50m / 5 ATM - Dual Nitrile O-Ring Seals water resistance.

Within the same Richard Mille horological silo, collectors also compare the Richard Mille RM 055 Bubba Watson Manual Winding Ref. RM 055 (66.9g) and the Richard Mille RM Tourbillon Haute Horlogerie Samurai Limited Edition Ref. RM 47 (78.2g).