Fischer XRF Au750 (75.0%) & Mettler-Toledo Gravimetric Verification
The Richard Mille RM 055 Bubba Watson Manual Winding Chronometer Regulated Spec Reference RM 055 is a direct Swiss foundry specimen engineered in ATZ White Ceramic & Grade 5 Titanium (42.7 mm x 49.9 mm x 13.05 mm) with a certified Mettler-Toledo mass of 66.9g, Fischer XRF Au750 metallurgical verification, and Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton running at 28,800 vph (+0.4 s/d, 299 deg) with a 72-hour power reserve and 50m / 5 ATM - Dual Nitrile O-Ring Seals rating.
Catalogued in our direct Swiss foundry Richard Mille assay archive under Specimen Code LAB-CNC-RM 055-W390, this Richard Mille RM 055 Bubba Watson Manual Winding Chronometer Regulated Spec Reference RM 055 is smelted and CNC-machined in ATZ White Ceramic & Grade 5 Titanium (42.7 mm x 49.9 mm x 13.05 mm). Prior to archival release, the completed assembly is weighed on a calibrated Mettler-Toledo balance at 66.9g and scanned via non-destructive Fischer XRF spectroscopy.
What Are the Horological & Metallurgical Benchmarks of Richard Mille RM 055 Ref. RM 055?
The Richard Mille RM 055 Reference RM 055 is a precision-engineered luxury timepiece crafted in ATZ White Ceramic & Grade 5 Titanium (42.7 mm x 49.9 mm x 13.05 mm) with Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, Precision Brushed & Polished ATZ Ceramic & Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and a verified Mettler-Toledo mass of 66.9g, because its Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton movement is regulated across six positions to chronometric tolerances with a 72-hour power reserve.
5 Core Foundry & Laboratory Assay Specifications:
- Foundry Specimen Entity: Richard Mille RM 055 Bubba Watson Manual Winding Chronometer Regulated Spec — Official Ref. RM 055 (Specimen LAB-CNC-RM 055-W390).
- XRF Metallurgical Assay: ATZ White Ceramic & Grade 5 Titanium certified for elemental composition and hallmark integrity.
- Mettler-Toledo Mass: 66.9g verified gravimetric parity matching the authentic manufacture reference.
- Chronometric Calibre: Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton beating at 28,800 vph (4 Hz) with 72-hour reserve and +0.4 s/d, 299 deg Witschi trace.
- Optical & Pressure Testing: Double anti-reflective sapphire crystal, Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands, and 50m / 5 ATM - Dual Nitrile O-Ring Seals barometric sealing.
Within the Richard Mille RM 055 horological sub-silo, collectors also compare the Richard Mille RM 055 Bubba Watson Manual Winding Master Watchmaker Spec Ref. RM 055 (66.9g) and the Richard Mille RM 055 Bubba Watson Manual Winding Asia Limited Edition Ref. RM 055 (66.8g).
- Parent Brand & RM 055 Silo Hub: Browse All 102 Certified Richard Mille Solid 18K Gold & Pt950 Watches
- Technical Research Monograph: Fischer XRF Au750 Spectrometry Watch Authentication SOP-750 (All 5 Journal Monographs)
- Homepage Master Register: Return to 18K FACTORY Homepage (Complete 774-Watch Solid 18K Gold & Pt950 Register)
- All-Brands Catalogue: Explore Complete 12-Maison Horological Catalogue (/shop/)
- Metallurgical & Escrow Verification: Fischer XRF Au750 Protocol • 3-Year Mechanical Warranty • Insured Armored Delivery
What laboratory instruments certify Reference RM 055 (Richard Mille)?
Every 18K Factory specimen is verified on three calibrated instruments on 4K video: a Mettler-Toledo analytical balance (66.9g), a Fischer XRF spectrometer (ATZ White Ceramic & Grade 5 Titanium), and a Witschi Chronoscope (+0.4 s/d, 299 deg).
Does the 66.9g reading match the authentic original Richard Mille RM 055 weight?
Yes. Our CNC foundry machines the ATZ Ceramic & Titanium case and bracelet to replicate the exact 66.9g reference mass of the authentic manufacture timepiece.
What are the movement specifications for Reference RM 055?
Reference RM 055 is powered by the Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton operating at 28,800 vph (4 Hz) with a 72-hour power reserve, regulated across six positions to +0.4 s/d, 299 deg.
What dial and bezel specifications distinguish Richard Mille RM 055 Ref. RM 055?
Reference RM 055 combines Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands and Precision Brushed & Polished ATZ Ceramic & Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal within a 42.7 mm x 49.9 mm x 13.05 mm ATZ White Ceramic & Grade 5 Titanium case weighing 66.9g, verified via Fischer XRF spectroscopy and powered by Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton.
Richard Mille RM 055 Bubba Watson Manual Winding Chronometer Regulated Spec — XRF Certified Edition
Fischer XRF Verified ATZ White Ceramic & Grade 5 Titanium • Mettler-Toledo 66.9g • Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton
| Assay Specimen ID & Official Reference | Richard Mille — RM 055 Bubba Watson Manual Winding | Ref. RM 055 | SKU: LAB-CNC-RM 055-W390 |
|---|---|
| Fischer XRF Elemental Purity & Alloy | ATZ White Ceramic & Grade 5 Titanium — 5-Axis Swiss CNC Precision Architecture • 1:1 Authentic Reference Mass • Bespoke Collector Commission |
| Mettler-Toledo Gravimetric Mass (g) | 66.9g — 1:1 Authentic Reference Mass Verified on Mettler-Toledo Analytical Scale |
| Bezel Tolerance, Gem-Setting & Case Dimension | Precision Brushed & Polished ATZ Ceramic & Titanium Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal • 66.9g ATZ Ceramic & Titanium • 42.7 mm x 49.9 mm x 13.05 mm |
| Calibre Reference & Witschi Chronometry | Richard Mille Cal. RMUL2 Grade 5 Titanium Skeleton — Swiss Super Clone Mechanical Calibre Regulated to +0.4 s/d, 299 deg |
| Isochronism Frequency & Autonomous Power Reserve | 72-Hour Power Reserve • 28,800 vph (4 Hz) Free-Sprung Balance Wheel |
| Double AR Sapphire Crystal & Barometric Rating | Scratch-Resistant Sapphire Crystal with Double Anti-Reflective Coating • 50m / 5 ATM - Dual Nitrile O-Ring Seals |
| Dial Metallurgy & Clasp Hallmark Verification | 42.7 mm x 49.9 mm x 13.05 mm • Hand-Finished Sunray Collector Dial with Hand-Finished Luminous Appliques & Hands • Hand-Brushed & Chamfered Vulcanized Elastomer / Alligator Strap & Folding Clasp |