Features: Carbon Case Resin Strap Quartz Movement Caliber: 5611 Mineral Crystal Black Dial Analog Digital Display Shock Resistant Carbon Core Guard Structure World Time Double LED Light 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Full Auto Calendar Operation Button Sound On/Off 12/24 Hours Display Hand Shift Feature Regular Timekeeping Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 45.4mm Approximate Case Thickness: 11.8mm Approximate Lug Width: 16mm