Stainless steel case; stainless steel bracelet bezel and clasp; blue luminous dial; silver-tone hands Arabic numeral hour markers minute markers outer rim analog display chronograph with three sub-dials 60 second 30 minute 12 hours day date function IWC calibre 79320 automatic movement ETA basis approx.44hr power reserve screw down crown sapphire crystal caseback round shape size 43mm thickness 15mm band width 20mm Swiss Made