This Richard Mille RM067-01 Extra Flat in rose gold is rated 9.5 out of 10. It comes with box and paper dated in March 2017. The automatic movement CRMA6 created for the RM 67-01 is a new calibre of only 3.6mm thickness, designed in house by the engineers in Les Breuleux. The baseplate and bridges have been created from grade 5 titanium and finished with a combination of gray and black electroplasma treatment, with a winding rotor weight in platinum. The back of the movement continues the extra attention to creating a sense of depth with extensive skeletonization visible everywhere, including the large open worked winding barrel, rotor, going train and automatic winding mechanism bridges. Richard Mille RM 67-01 Automatic Extra Flat; shown, 38.70 mm x 47.52 mm x 7.75 mm. Hours, minutes, date; function indicator showing position of the crown. Movement, caliber CRMA6, 3.6 mm thick, designed by Richard Mille; platinum rotor with 50-hour power reserve, running in 25 jewels at 28,800 vph. Water resistance, 50 m. Movement designed by Richard Mille, and manufactured externally.