"Titanium Case and Bracelet with Black Ion Plating Perpetual Calendar One-Way Rotating Elapsed Time Bezel 1/20 Second Chronograph Measures up to 60 Minutes 12/24 Hour Time Dual Time Alarm Srew-In Case Back Eco-Drive Solar Powered Technology so you never have to change a battery 120 Day Power Reserve when Fully Charged (43 Hours with average lighting for a full charge) 270 Day Power Save Function Water Resistant to 200 Meters (660 Feet) Mineral Glass Crystal 44mm Case Width (Approximately 1 3/4"")"