RICHARD MILLE RM 027 TOURBILLON CARBON RAFAEL NADAL Richard Mille, "Tourbillon RM 027," No. 13 / 50, Ref. RM 027 AK CA. Made circa 2011. Very fine, and unusual, tonneau-shaped and curved, very light (13 gr.) carbon wristwatch with visible one-minute tourbillon regulator, 48 hour power reserve and a carbon Richard Mille Buckle. Accompanied by the original fitted box, warranty and instructions in a leather case. \n\nC. Two-body, bezel with 8 special milled titanium screws, reinforced case band, rubber-coated winding crown, curved and anti-reflective sapphire crystal. D. Transparent with outer minute divisions and 5-minute luminous dot markers, at 6 the tourbillon regulator under a V-shaped bridge. Titanium skeleton hands with luminous tips. M. Cal. RM 027, carbon fiber, 19 jewels, aluminum bridges, lateral lever escapement with one-minute tourbillon regulator, titanium tourbillon cage with 3 equidistant polished arms, monometallic balance with ceramic cap jewel, adjusted to heat, cold and 5 positions, shock absorber, self-compensating Breguet balance spring.