Heavy and exceedingly well-made many consider the SBGD001 the "holy grail" for Grand Seiko collectors. Powered by the incredibly well-finished Spring Drive movement it is one of the finest creations made by Grand Seiko today. Every element inside and out is executed with excellence. The polished bevelled edges of the movement bridges or anglage is incredibly well done - crisp sharply defined and mirror polished. Fitting as the movement is finished by Micro Artist Studio. The textured dial is particularly beautiful catching the light subtly. In fact collectors have dubbed this effect “diamond dust”.