The Richard Mille Tourbillon RM 052 Skull watch introduced at SIHH 2012. Richard Mille caliber RM 052 is a manually wound tourbillon with 19 jewels, a Glucydur balance wheel with four setting screws, 21,600 vph (3Hz), Elinvar by Nivarox balance spring and Kif Elastor KE shock protection and power reserve 48-hour power reserve. Finishing includes micro-blasted milled sections, hand bevelled surfaces and drawn or polished outer faces. The tripartite tonneau titanium case, assembled with 20 spline screws in grade 5 titanium, measures 42.7 mm x 50 mm. The upper flange is in carbon, the lower flange is in grade 5 titanium with DLC coating. Sapphire crystal front and back with anti-glare coating. The tripartite case requires 255 machining steps, including 86 stamping operations. The case uses spline screws in titanium for greater torque control, and has a torque-limiting crown, an additional security feature to prevent accidental overwinding. - See more at: http://www.wearyourlifestyle.com/blog-Top-12-Skull-Watches-in-the-World.html#sthash.Ar6ehSXT.dpuf

These are random photos and videos that are collated for prosperity sake. Enjoy!!!!!!!!!.........