Tonneau Case Geometry 49.94mm by 42.70mm by 13.05mm
The RM 055 Super Clone case follows the signature Richard Mille tonneau silhouette, with vertical lines that curve outward through the mid-case and pinch back in at the integrated lugs. Total dimensions land at 49.94mm long, 42.70mm wide, and 13.05mm thick, the canonical measurements that the genuine Bubba Watson reference established in 2010. The case sandwich uses a tri-component construction: a white ATZ ceramic upper bezel, a grade 5 titanium central caseband, and a matching ceramic caseback ring, with six titanium spline screws holding the assembly under torque. The crown sits at 2 o'clock in the signature Richard Mille position, machined from titanium with the RM cross-logo pattern, and screws down to seal the watch to 50 meters.
White ATZ Ceramic Bezel and Grade 5 Titanium Caseband
The white ATZ ceramic surface gives this Bubba Watson Super Clone its headline visual identity. ATZ, short for alumina-toughened zirconia, sits among the hardest engineered ceramics in watchmaking and holds its bright matte white finish through years of daily wear without yellowing, scratching, or surface fade. The grade 5 titanium caseband carries the structural load of the case, keeps total wrist weight under 100 grams, and gives the watch the thermal-neutral feel buyers expect from a genuine Richard Mille sports reference. The polished spline-screw heads ring the bezel and tie into the engineered industrial look of the RM 055.
Sapphire Crystal, Sapphire Caseback and 50-Meter Sealing
A curved sapphire crystal with anti-reflective coating covers the skeletonised dial and follows the tonneau profile from edge to edge, holding clarity at every viewing angle. The sapphire caseback opens a full view onto the hand-wound skeleton clone movement, the satin-finished bridges, and the mainspring barrel. The screw-down crown at 2 o'clock, combined with the gasket-sealed caseback, holds the RM 055 to 50 meters of water resistance for daily wear, hand washing, and light water contact during sport use.