Grey resin round case, 55.0mm x 51.2mm with mineral crystal and solid back. Grey resin strap features tang clasp. Analog-digital display includes digital dial (1/1000 sec scale), blue hands, index markers, small seconds subdial. Casio Calibre 5081 quartz movement. Full auto calendar, world time function, hourly signal, countdown timer, and both 12/24 hour format options available. Auto LED light with afterglow provides illumination in low-light conditions.