"Stainless Steel Case Date Window at the 3 o'clock position Water Resistant to 30 Meters (100 Feet) Mineral Glass Crystal Eco-Drive Solar Powered so it never needs a battery 270 Day Power Reserve when Fully Charged (190 Hours under sufficient lighting for full charge) Genuine Leather Strap with Tang Buckle Clasp 35mm Case Width (Approximately 1 3/8"")"