Solid stainless steel case. Attractive brown leather strap. Silver dial with luminous hands and hour markers. 270-Day Power reserve. Perpetual calendar automatically adjusted for odd and even months and leap years through 2100 1/20 Second chronograph measures up to 60 minutes Alarm feature. Eco Drive - charges in sunlight or indoor Power saver function Polished bezel. Scratch resistant mineral crystal. 100 Meter water-resistant. Case measures 43mm diameter by 13mm thick.