Richard Mille, RM52-06 Blue Mask Tourbillion

RM52-06 Blue Mask Tourbillion. A 18 pieces limited 50mm Richard Mille RM 52-06 ‘Mask Blue’ Carbon Tourbillon featuring a blue quartz TPT case, where both the skull and titanium bridges have been integrated with the tourbillon.Thin Ply Technology is an utterly light weight and exceptionally strong material, created by layering thin strands of thin-ply quartz fibers.