"Titanium Case and Bracelet - 40% Stronger and 30% Lighter than Stainless Steel; Hypoallergenic for those having an allergy to Nickel Citizen Eco-Drive Solar Power Technology Never Needs a Battery 180 Day Power Reserve when fully charged Water Resistant to 30 Meters (100 Feet) - Splash Resistant Mineral Glass Crystal Hour, Minute, & Second Hands Date Window at the 3 o'clock position Bracelet features a Fold Over Clasp with Push Button Release 25mm Case Width (Approximately 1"")"