Features: Case :Titanium Bracelet :Titanium Movement :Eco-Drive Caliber: H145 Glass :Sapphire Crystal Dial Colour :Black Dial -Radio Controlled -Perpetual Calendar -Power Reserve -World Time (26 Cities + UTC) -Insufficient Charge Warning Function -Overcharge Prevention Function -Rotating Inner Ring For Fuel Calculations -Luminous Hands And Markers -Date Display -Deployment Clasp -200M Water Resistance Approximate Case Diameter: 48mm Approximate Case Thickness: 12mm