The Signum Cuda Meteorite versions have genuine meteorite dials that come in two finishes, natural meteorite (grey) and the exclusive heat treated meteorite (blue/purple). Please note the heated meteorite the colors are always changing depending on the angle you look at the watch, sometimes blue will be more prominent and sometimes purple can come through, each dial is completely unique. You have a choice of two case sizes 38.5mm Bezel (40mm incl. crown guards) and 42.5mm Bezel (44mm incl. crown guards) and a choice of date or no date window. The Cuda is powered by the very reliable Seiko Japanese NH35 (date) and NH38 (no date) Automatic movement.