Features: Bio-Based Resin Case Bio-Based Resin Strap Tough Solar Caliber: 3553 Mineral Crystal Black Dial Digital Display Shock Resistant Mud Resistant Carbon Core Guard Structure World Time Digital Compass 5 Daily Alarms 1/100-Second Stopwatch Countdown Timer Full Auto-Calendar Button Operation Tone On/Off Hand Shift Feature Battery Level Indicator Regular Timekeeping 12/24 Hours Display Month, Day And Date Display Screwed Case Back Buckle Clasp 200m Water Resistance Approximate Case Diameter: 52.7mm Approximate Case Thickness: 14.8mm Approximate Lug Width: 24mm