Citizen Promaster Radio Controlled World Time Eco Drive CB5036 10X 200M Men's Watch Case 6.55mm Features: Case Bezel Material: Chronograph functionality with three Features: Case Bezel Material: Resin Resin Strap Quartz Movement Caliber: 3433 Mineral Crystal Black Dial Digital Display Shock Resistant Electro luminescent Backlight Afterglow Flash Alert World Time 29 Time Zones (48 Cities) 1 100 Second Stopwatch Countdown Timer 3 Multi Function Alarms Hourly Time Signal Full Auto Calendar (To Year 2039) 12 24 Hour Format Regular Timekeeping Accuracy: ±15 Seconds Per Month Day Display Solid Case Back Buckle Clasp 200M Water Resistance Approximate Size of Case: 45 161 Scratch Resistant Sapphire Crystal Black Dial Date Display Solid Case Back 100M Water Resistant Approximate Case Diameter: 39mm Approximate Case Thickness: 10 Features: Stainless Steel Case Polyurethane Strap Eco Drive Movement Caliber: E660 Sapphire Crystal Brown Dial Analog Display World Time Radio Controlled Chronograph Function Tachymeter Scale Perpetual Calendar Power Reserve Alarm Luminous Hands And Markers Day And Date Display 12 24 Hour Display Pull Push Crown Solid Case Back Buckle Clasp 200M Water Resistance Approximate Case Diameter: 45mm Approximate Case Thickness: 13mm