"A strong and lightweight titanium case and bracelet, along with a carbon fiber rotating bezel and 300 meter water resistance make this the perfect rugged dive watch for recreational and professional diving. And with Eco-Drive you'll never have to worry about battery changes. Titanium Case and Bracelet Citizen Eco-Drive Light Powered Technology never needs a battery Date Window at the 3 o'clock position Water Resistant to 300 Meters (990 Feet) - Suitable for Professional Diving 180 Day Power Reserve when Fully Charged Luminous Hands and Markers Unidirectional Rotating Bezel Non-Reflective Mineral Glass Crystal Bracelet features a Fold Over Clasp with Push Button Release and Diver's Extension 43mm Case Width (Approximately 1 11/16"")"