Features: Carbon Case Bio-Based Resin Strap Quartz Movement Mineral Crystal Black Dial Analog Digital Display Shock Resistant Carbon Core Guard Structure Neobrite World Time 1/100-Second Stopwatch Countdown Timer 5 Daily Alarms Hourly Time Signal Double LED Light Full Auto-Calendar Button Operation Tone On/Off Hand Shift Feature 12/24 Hours Display Luminous Hands Month, Day And Date Display Screwed Case Back Buckle Clasp 200M Water Resistance Approximate Case size (L × W × H): 48.5 × 45.4 × 11.8 mm Approximate Case Diameter: 45.40 mm Approximate Case Thickness: 11.80 mm