Sapphire Glass Stainless steel Push Button Deployment Buckle Screw Case Back Brushed and Polished Stainless steel case and bracelet. Silver tone dial with luminous hands and hour markers. Day and date display. Precise Eco-Drive movement - is powered by any light source. 180-Day Power reserve with full charge. Power saver function. Low charge indicator Time reset Advisory Scratch resistant mineral crystal. Water Resistant 100m. Push-button deployment clasp. Case measures 42mm wide by 10mm thick.