Features: 316l stainless steel case stainless steel bracelet automatic movement caliber: powermatic 80.111 23 jewels domed scratch resistant sapphire crystal with antireflective coating blue dial analog display power reserve upto 80 hours luminous hands and markers date display uni directional rotating bezel screw down crown see through case back deployment clasp 600m water resistance approximate case diameter: 46mm approximate case thickness: 16.3mm approximate lug width : 22mm