"Stainless Steel Case and Bracelet Day/Date Window at the 3 o'clock position Mineral Glass Crystal Water Resistant to 100 Meters (330 Feet) 180 Day Power Reserve when Fully Charged (46 Hours with Average Lighting to Fully Charge) 7 Day Low Charge Warning Quick Start Function Bracelet Features a Fold Over Clasp with Push Button Release 36mm Case Width (Approximately 1 3/8"")"