reference WG Skull Full Set - without eyepatch 552.061.94B case bronze - diamond bezel diameter 42.70x50x15.95 mm strap rubber mechanism tourbillon size gent
Richard Mille Tourbillon RM 052 Skull
Technical characteristics:Movement: Caliber RM052, manual-winding tourbillon. Dimensions = 32.8 x 30.9 mm, 10.9 mm thick. 19 jewels. Glucydur balance wheel with four setting screws. Frequency = 21,600 vph (3 Hz). Elinvar by Nivarox balance spring. Kif Elastor KE shock protection. Finishing includes hand-polished beveling, micro-blasted milled sections, and drawn or polished outer faces. Power reserve = 48 hours.Functions: hours, minutes, tourbillon.Case: Tripartite titanium case, assembled with 20 spline screws in grade 5 titanium. Abrasion-resistant washers in 316L stainless steel. Dimensions = 42.7 mm x 50 mm. Water-resistance to 50 meters ensured by two O-ring seals. Upper flange in carbon, lower flange in grade 5 titanium with DLC coating. Sapphire crystal front and back with anti-glare coating.