RM Richard Mille RM TZP tetragonal zirconia polycrystalline porcelain case

RM Richard Mille RM TZP tetragonal zirconia polycrystalline ceramic shell. low density wear-resistant friction. low thermal conductivity and other material properties; so that the bezel and bottom cover can be processed and polished with special precision. so as to show high brightness and pull Sand surface. And the effect of other ceramic materials is white and dirty. Japan Citizen 6T51. Mechanical movement. 100% fully waterproof!
Size: 42X50X16mm.