Features: 316l stainless steel case stainless steel bracelet automatic movement caliber: powermatic 80 23 jewels sapphire crystal with antireflective coating green dial analog display power reserve up to 80 hours interchangeable quick release bracelet luminous hands and markers date display see through case back deployment clasp 100m water resistance approximate case diameter: 35mm approximate case thickness: 10.9mm approximate lug width : 11mm