"Brushed Stainless Steel Case and Bracelet with Polished Accents 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) Bracelet features a Fold Over Clasp with Push Button Release 35mm Case Width (Approximately 1 3/8"")"