Richard Mille RM 55-01 Manual Winding Ref. RM 55-01 The Richard Mille RM 55-01 Manual Winding ref. RM 55-01, introduced in 2026, is the modern evolution of the RM 055. Its tonneau case is machined in Grey Quartz TPT, built from layers of silica fibre no more than 30 microns thick, and holds the skeletonised Calibre RMUL4, a movement weighing under 5 grams. A matching grey textile strap closes on a titanium folding clasp. - Manual-winding skeletonised Calibre RMUL4, approx. 55-hour power reserve, 4 Hz - 37.95 x 47.33 x 10.75 mm Grey Quartz TPT case - Grade 5 titanium baseplate and bridges, twin barrels in series - Free-sprung balance with variable inertia - Sapphire crystal - Water resistance to 50 metres Full set, with manufacturer's warranty. Maker: Richard Mille. Year: 2026. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.